640949400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 648

約数和(自身を含む): 2774437380

約数和(自身を除く): 2133487980

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 25, 26, 28, 30, 35, 36, 39, 40, 42, 43, 45, 49, 50, 52, 56, 60, 63, 65, 70, 72, 75, 78, 84, 86, 90, 91, 98, 100, 104, 105, 117, 120, 126, 129, 130, 140, 147, 150, 156, 168, 169, 172, 175, 180, 182, 195, 196, 200, 210, 215, 225, 234, 245, 252, 258, 260, 273, 280, 294, 300, 301, 312, 315, 325, 338, 344, 350, 360, 364, 387, 390, 392, 420, 430, 441, 450, 455, 468, 490, 504, 507, 516, 520, 525, 546, 559, 585, 588, 600, 602, 630, 637, 645, 650, 676, 700, 728, 735, 774, 780, 819, 840, 845, 860, 882, 900, 903, 910, 936, 975, 980, 1014, 1032, 1050, 1075, 1092, 1118, 1170, 1176, 1183, 1204, 1225, 1260, 1274, 1290, 1300, 1352, 1365, 1400, 1470, 1505, 1521, 1548, 1560, 1575, 1638, 1677, 1690, 1720, 1764, 1800, 1806, 1820, 1911, 1935, 1950, 1960, 2028, 2100, 2107, 2150, 2184, 2205, 2236, 2275, 2340, 2366, 2408, 2450, 2520, 2535, 2548, 2580, 2600, 2709, 2730, 2795, 2925, 2940, 3010, 3042, 3096, 3150, 3185, 3225, 3276, 3354, 3380, 3528, 3549, 3612, 3640, 3675, 3822, 3870, 3900, 3913, 4056, 4095, 4200, 4214, 4225, 4300, 4410, 4472, 4515, 4550, 4680, 4732, 4900, 5031, 5070, 5096, 5160, 5418, 5460, 5590, 5733, 5850, 5880, 5915, 6020, 6084, 6300, 6321, 6370, 6450, 6552, 6708, 6760, 6825, 7098, 7224, 7267, 7350, 7525, 7605, 7644, 7740, 7800, 7826, 8190, 8281, 8385, 8428, 8450, 8600, 8820, 9030, 9100, 9464, 9555, 9675, 9800, 10062, 10140, 10535, 10647, 10836, 10920, 11025, 11180, 11466, 11700, 11739, 11830, 12040, 12168, 12600, 12642, 12675, 12740, 12900, 13416, 13545, 13650, 13975, 14196, 14534, 14700, 15050, 15210, 15288, 15480, 15652, 15925, 16380, 16562, 16770, 16856, 16900, 17640, 17745, 18060, 18200, 18963, 19110, 19350, 19565, 20124, 20280, 20475, 21070, 21294, 21672, 21801, 22050, 22360, 22575, 22932, 23400, 23478, 23660, 24843, 25155, 25284, 25350, 25480, 25800, 27090, 27300, 27391, 27950, 28392, 28665, 29068, 29400, 29575, 30100, 30420, 31304, 31605, 31850, 32760, 33124, 33540, 33800, 35217, 35490, 36120, 36335, 37926, 38025, 38220, 38700, 39130, 40248, 40950, 41405, 41925, 42140, 42588, 43602, 44100, 45150, 45864, 46956, 47320, 47775, 49686, 50310, 50568, 50700, 50869, 52675, 53235, 54180, 54600, 54782, 55900, 57330, 58136, 58695, 59150, 60200, 60840, 63210, 63700, 65403, 66248, 67080, 67725, 70434, 70980, 72670, 74529, 75852, 76050, 76440, 77400, 78260, 81900, 82173, 82810, 83850, 84280, 85176, 87204, 88200, 88725, 90300, 93912, 94815, 95550, 97825, 99372, 100620, 101400, 101738, 105350, 106470, 108360, 109005, 109564, 111800, 114660, 117390, 118300, 124215, 125775, 126420, 127400, 130806, 135450, 136955, 140868, 141960, 143325, 145340, 149058, 151704, 152100, 152607, 156520, 158025, 163800, 164346, 165620, 167700, 174408, 176085, 177450, 180600, 181675, 189630, 191100, 195650, 198744, 201240, 203476, 207025, 210700, 212940, 218010, 219128, 229320, 234780, 236600, 246519, 248430, 251550, 252840, 254345, 261612, 266175, 270900, 273910, 281736, 286650, 290680, 293475, 298116, 304200, 305214, 316050, 327015, 328692, 331240, 335400, 352170, 354900, 356083, 363350, 372645, 379260, 382200, 391300, 406952, 410865, 414050, 421400, 425880, 436020, 457821, 469560, 474075, 493038, 496860, 503100, 508690, 523224, 532350, 541800, 545025, 547820, 573300, 586950, 596232, 610428, 621075, 632100, 654030, 657384, 684775, 704340, 709800, 712166, 726700, 745290, 758520, 763035, 782600, 821730, 828100, 872040, 880425, 915642, 948150, 986076, 993720, 1006200, 1017380, 1064700, 1068249, 1090050, 1095640, 1146600, 1173900, 1220856, 1232595, 1242150, 1264200, 1271725, 1308060, 1369550, 1408680, 1424332, 1453400, 1490580, 1526070, 1635075, 1643460, 1656200, 1760850, 1780415, 1831284, 1863225, 1896300, 1972152, 2034760, 2054325, 2129400, 2136498, 2180100, 2289105, 2347800, 2465190, 2484300, 2543450, 2616120, 2739100, 2848664, 2981160, 3052140, 3204747, 3270150, 3286920, 3521700, 3560830, 3662568, 3726450, 3792600, 3815175, 4108650, 4272996, 4360200, 4578210, 4930380, 4968600, 5086900, 5341245, 5478200, 6104280, 6162975, 6409494, 6540300, 7043400, 7121660, 7452900, 7630350, 8217300, 8545992, 8902075, 9156420, 9860760, 10173800, 10682490, 11445525, 12325950, 12818988, 13080600, 14243320, 14905800, 15260700, 16023735, 16434600, 17804150, 18312840, 21364980, 22891050, 24651900, 25637976, 26706225, 30521400, 32047470, 35608300, 42729960, 45782100, 49303800, 53412450, 64094940, 71216600, 80118675, 91564200, 106824900, 128189880, 160237350, 213649800, 320474700, 640949400]

約数ペア:

[(1, 640949400), (2, 320474700), (3, 213649800), (4, 160237350), (5, 128189880), (6, 106824900), (7, 91564200), (8, 80118675), (9, 71216600), (10, 64094940), (12, 53412450), (13, 49303800), (14, 45782100), (15, 42729960), (18, 35608300), (20, 32047470), (21, 30521400), (24, 26706225), (25, 25637976), (26, 24651900), (28, 22891050), (30, 21364980), (35, 18312840), (36, 17804150), (39, 16434600), (40, 16023735), (42, 15260700), (43, 14905800), (45, 14243320), (49, 13080600), (50, 12818988), (52, 12325950), (56, 11445525), (60, 10682490), (63, 10173800), (65, 9860760), (70, 9156420), (72, 8902075), (75, 8545992), (78, 8217300), (84, 7630350), (86, 7452900), (90, 7121660), (91, 7043400), (98, 6540300), (100, 6409494), (104, 6162975), (105, 6104280), (117, 5478200), (120, 5341245), (126, 5086900), (129, 4968600), (130, 4930380), (140, 4578210), (147, 4360200), (150, 4272996), (156, 4108650), (168, 3815175), (169, 3792600), (172, 3726450), (175, 3662568), (180, 3560830), (182, 3521700), (195, 3286920), (196, 3270150), (200, 3204747), (210, 3052140), (215, 2981160), (225, 2848664), (234, 2739100), (245, 2616120), (252, 2543450), (258, 2484300), (260, 2465190), (273, 2347800), (280, 2289105), (294, 2180100), (300, 2136498), (301, 2129400), (312, 2054325), (315, 2034760), (325, 1972152), (338, 1896300), (344, 1863225), (350, 1831284), (360, 1780415), (364, 1760850), (387, 1656200), (390, 1643460), (392, 1635075), (420, 1526070), (430, 1490580), (441, 1453400), (450, 1424332), (455, 1408680), (468, 1369550), (490, 1308060), (504, 1271725), (507, 1264200), (516, 1242150), (520, 1232595), (525, 1220856), (546, 1173900), (559, 1146600), (585, 1095640), (588, 1090050), (600, 1068249), (602, 1064700), (630, 1017380), (637, 1006200), (645, 993720), (650, 986076), (676, 948150), (700, 915642), (728, 880425), (735, 872040), (774, 828100), (780, 821730), (819, 782600), (840, 763035), (845, 758520), (860, 745290), (882, 726700), (900, 712166), (903, 709800), (910, 704340), (936, 684775), (975, 657384), (980, 654030), (1014, 632100), (1032, 621075), (1050, 610428), (1075, 596232), (1092, 586950), (1118, 573300), (1170, 547820), (1176, 545025), (1183, 541800), (1204, 532350), (1225, 523224), (1260, 508690), (1274, 503100), (1290, 496860), (1300, 493038), (1352, 474075), (1365, 469560), (1400, 457821), (1470, 436020), (1505, 425880), (1521, 421400), (1548, 414050), (1560, 410865), (1575, 406952), (1638, 391300), (1677, 382200), (1690, 379260), (1720, 372645), (1764, 363350), (1800, 356083), (1806, 354900), (1820, 352170), (1911, 335400), (1935, 331240), (1950, 328692), (1960, 327015), (2028, 316050), (2100, 305214), (2107, 304200), (2150, 298116), (2184, 293475), (2205, 290680), (2236, 286650), (2275, 281736), (2340, 273910), (2366, 270900), (2408, 266175), (2450, 261612), (2520, 254345), (2535, 252840), (2548, 251550), (2580, 248430), (2600, 246519), (2709, 236600), (2730, 234780), (2795, 229320), (2925, 219128), (2940, 218010), (3010, 212940), (3042, 210700), (3096, 207025), (3150, 203476), (3185, 201240), (3225, 198744), (3276, 195650), (3354, 191100), (3380, 189630), (3528, 181675), (3549, 180600), (3612, 177450), (3640, 176085), (3675, 174408), (3822, 167700), (3870, 165620), (3900, 164346), (3913, 163800), (4056, 158025), (4095, 156520), (4200, 152607), (4214, 152100), (4225, 151704), (4300, 149058), (4410, 145340), (4472, 143325), (4515, 141960), (4550, 140868), (4680, 136955), (4732, 135450), (4900, 130806), (5031, 127400), (5070, 126420), (5096, 125775), (5160, 124215), (5418, 118300), (5460, 117390), (5590, 114660), (5733, 111800), (5850, 109564), (5880, 109005), (5915, 108360), (6020, 106470), (6084, 105350), (6300, 101738), (6321, 101400), (6370, 100620), (6450, 99372), (6552, 97825), (6708, 95550), (6760, 94815), (6825, 93912), (7098, 90300), (7224, 88725), (7267, 88200), (7350, 87204), (7525, 85176), (7605, 84280), (7644, 83850), (7740, 82810), (7800, 82173), (7826, 81900), (8190, 78260), (8281, 77400), (8385, 76440), (8428, 76050), (8450, 75852), (8600, 74529), (8820, 72670), (9030, 70980), (9100, 70434), (9464, 67725), (9555, 67080), (9675, 66248), (9800, 65403), (10062, 63700), (10140, 63210), (10535, 60840), (10647, 60200), (10836, 59150), (10920, 58695), (11025, 58136), (11180, 57330), (11466, 55900), (11700, 54782), (11739, 54600), (11830, 54180), (12040, 53235), (12168, 52675), (12600, 50869), (12642, 50700), (12675, 50568), (12740, 50310), (12900, 49686), (13416, 47775), (13545, 47320), (13650, 46956), (13975, 45864), (14196, 45150), (14534, 44100), (14700, 43602), (15050, 42588), (15210, 42140), (15288, 41925), (15480, 41405), (15652, 40950), (15925, 40248), (16380, 39130), (16562, 38700), (16770, 38220), (16856, 38025), (16900, 37926), (17640, 36335), (17745, 36120), (18060, 35490), (18200, 35217), (18963, 33800), (19110, 33540), (19350, 33124), (19565, 32760), (20124, 31850), (20280, 31605), (20475, 31304), (21070, 30420), (21294, 30100), (21672, 29575), (21801, 29400), (22050, 29068), (22360, 28665), (22575, 28392), (22932, 27950), (23400, 27391), (23478, 27300), (23660, 27090), (24843, 25800), (25155, 25480), (25284, 25350)]