2178883980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:686

約数の個数: 432

約数和(自身を含む): 8560790784

約数和(自身を除く): 6381906804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 49, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 98, 105, 117, 124, 126, 130, 140, 147, 155, 156, 180, 182, 186, 195, 196, 210, 217, 234, 245, 252, 260, 273, 279, 294, 310, 315, 364, 372, 390, 403, 420, 434, 441, 455, 465, 468, 490, 546, 558, 585, 588, 613, 620, 630, 637, 651, 735, 780, 806, 819, 868, 882, 910, 930, 980, 1085, 1092, 1116, 1170, 1209, 1226, 1260, 1274, 1302, 1365, 1395, 1470, 1519, 1612, 1638, 1764, 1820, 1839, 1860, 1911, 1953, 2015, 2170, 2205, 2340, 2418, 2452, 2548, 2604, 2730, 2790, 2821, 2940, 3038, 3065, 3185, 3255, 3276, 3627, 3678, 3822, 3906, 4030, 4095, 4291, 4340, 4410, 4557, 4836, 5460, 5517, 5580, 5642, 5733, 6045, 6076, 6130, 6370, 6510, 7254, 7356, 7595, 7644, 7812, 7969, 8060, 8190, 8463, 8582, 8820, 9114, 9195, 9555, 9765, 11034, 11284, 11466, 12090, 12260, 12740, 12873, 13020, 13671, 14105, 14508, 15190, 15938, 16380, 16926, 17164, 18135, 18228, 18390, 19003, 19110, 19530, 19747, 21455, 22068, 22785, 22932, 23907, 24180, 25389, 25746, 27342, 27585, 28210, 28665, 30037, 30380, 31876, 33852, 36270, 36780, 38006, 38220, 38619, 39060, 39494, 39845, 42315, 42910, 45570, 47814, 50778, 51492, 54684, 55170, 55783, 56420, 57009, 57330, 59241, 60074, 64365, 68355, 71721, 72540, 76012, 77238, 78988, 79690, 84630, 85820, 90111, 91140, 95015, 95628, 98735, 101556, 110340, 111566, 114018, 114660, 118482, 119535, 120148, 126945, 128730, 133021, 136710, 143442, 150185, 154476, 159380, 167349, 169260, 171027, 177723, 180222, 190030, 193095, 197470, 223132, 228036, 236964, 239070, 247039, 253890, 257460, 266042, 270333, 273420, 278915, 285045, 286884, 296205, 300370, 334698, 342054, 355446, 358605, 360444, 380060, 386190, 390481, 394940, 399063, 450555, 478140, 494078, 502047, 507780, 532084, 540666, 557830, 570090, 592410, 600740, 665105, 669396, 684108, 710892, 717210, 741117, 772380, 780962, 798126, 836745, 855135, 888615, 901110, 931147, 988156, 1004094, 1081332, 1115660, 1140180, 1171443, 1184820, 1197189, 1235195, 1330210, 1351665, 1434420, 1482234, 1561924, 1596252, 1673490, 1710270, 1729273, 1777230, 1802220, 1862294, 1952405, 1995315, 2008188, 2223351, 2342886, 2394378, 2470390, 2510235, 2660420, 2703330, 2793441, 2964468, 3346980, 3420540, 3458546, 3514329, 3554460, 3705585, 3724588, 3904810, 3990630, 4446702, 4655735, 4685772, 4788756, 4940780, 5020470, 5187819, 5406660, 5586882, 5857215, 5985945, 6917092, 7028658, 7411170, 7809620, 7981260, 8380323, 8646365, 8893404, 9311470, 10040940, 10375638, 11116755, 11173764, 11714430, 11971890, 12104911, 13967205, 14057316, 14822340, 15563457, 16760646, 17292730, 17571645, 18622940, 20751276, 22233510, 23428860, 23943780, 24209822, 25939095, 27934410, 31126914, 33521292, 34585460, 35143290, 36314733, 41901615, 44467020, 48419644, 51878190, 55868820, 60524555, 62253828, 70286580, 72629466, 77817285, 83803230, 103756380, 108944199, 121049110, 145258932, 155634570, 167606460, 181573665, 217888398, 242098220, 311269140, 363147330, 435776796, 544720995, 726294660, 1089441990, 2178883980]

約数ペア:

[(1, 2178883980), (2, 1089441990), (3, 726294660), (4, 544720995), (5, 435776796), (6, 363147330), (7, 311269140), (9, 242098220), (10, 217888398), (12, 181573665), (13, 167606460), (14, 155634570), (15, 145258932), (18, 121049110), (20, 108944199), (21, 103756380), (26, 83803230), (28, 77817285), (30, 72629466), (31, 70286580), (35, 62253828), (36, 60524555), (39, 55868820), (42, 51878190), (45, 48419644), (49, 44467020), (52, 41901615), (60, 36314733), (62, 35143290), (63, 34585460), (65, 33521292), (70, 31126914), (78, 27934410), (84, 25939095), (90, 24209822), (91, 23943780), (93, 23428860), (98, 22233510), (105, 20751276), (117, 18622940), (124, 17571645), (126, 17292730), (130, 16760646), (140, 15563457), (147, 14822340), (155, 14057316), (156, 13967205), (180, 12104911), (182, 11971890), (186, 11714430), (195, 11173764), (196, 11116755), (210, 10375638), (217, 10040940), (234, 9311470), (245, 8893404), (252, 8646365), (260, 8380323), (273, 7981260), (279, 7809620), (294, 7411170), (310, 7028658), (315, 6917092), (364, 5985945), (372, 5857215), (390, 5586882), (403, 5406660), (420, 5187819), (434, 5020470), (441, 4940780), (455, 4788756), (465, 4685772), (468, 4655735), (490, 4446702), (546, 3990630), (558, 3904810), (585, 3724588), (588, 3705585), (613, 3554460), (620, 3514329), (630, 3458546), (637, 3420540), (651, 3346980), (735, 2964468), (780, 2793441), (806, 2703330), (819, 2660420), (868, 2510235), (882, 2470390), (910, 2394378), (930, 2342886), (980, 2223351), (1085, 2008188), (1092, 1995315), (1116, 1952405), (1170, 1862294), (1209, 1802220), (1226, 1777230), (1260, 1729273), (1274, 1710270), (1302, 1673490), (1365, 1596252), (1395, 1561924), (1470, 1482234), (1519, 1434420), (1612, 1351665), (1638, 1330210), (1764, 1235195), (1820, 1197189), (1839, 1184820), (1860, 1171443), (1911, 1140180), (1953, 1115660), (2015, 1081332), (2170, 1004094), (2205, 988156), (2340, 931147), (2418, 901110), (2452, 888615), (2548, 855135), (2604, 836745), (2730, 798126), (2790, 780962), (2821, 772380), (2940, 741117), (3038, 717210), (3065, 710892), (3185, 684108), (3255, 669396), (3276, 665105), (3627, 600740), (3678, 592410), (3822, 570090), (3906, 557830), (4030, 540666), (4095, 532084), (4291, 507780), (4340, 502047), (4410, 494078), (4557, 478140), (4836, 450555), (5460, 399063), (5517, 394940), (5580, 390481), (5642, 386190), (5733, 380060), (6045, 360444), (6076, 358605), (6130, 355446), (6370, 342054), (6510, 334698), (7254, 300370), (7356, 296205), (7595, 286884), (7644, 285045), (7812, 278915), (7969, 273420), (8060, 270333), (8190, 266042), (8463, 257460), (8582, 253890), (8820, 247039), (9114, 239070), (9195, 236964), (9555, 228036), (9765, 223132), (11034, 197470), (11284, 193095), (11466, 190030), (12090, 180222), (12260, 177723), (12740, 171027), (12873, 169260), (13020, 167349), (13671, 159380), (14105, 154476), (14508, 150185), (15190, 143442), (15938, 136710), (16380, 133021), (16926, 128730), (17164, 126945), (18135, 120148), (18228, 119535), (18390, 118482), (19003, 114660), (19110, 114018), (19530, 111566), (19747, 110340), (21455, 101556), (22068, 98735), (22785, 95628), (22932, 95015), (23907, 91140), (24180, 90111), (25389, 85820), (25746, 84630), (27342, 79690), (27585, 78988), (28210, 77238), (28665, 76012), (30037, 72540), (30380, 71721), (31876, 68355), (33852, 64365), (36270, 60074), (36780, 59241), (38006, 57330), (38220, 57009), (38619, 56420), (39060, 55783), (39494, 55170), (39845, 54684), (42315, 51492), (42910, 50778), (45570, 47814)]