256237800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:90

約数の個数: 432

約数和(自身を含む): 1037478240

約数和(自身を除く): 781240440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 25, 26, 28, 30, 35, 38, 39, 40, 42, 50, 52, 56, 57, 60, 65, 70, 75, 76, 78, 84, 91, 95, 100, 104, 105, 114, 120, 130, 133, 140, 150, 152, 156, 168, 169, 175, 182, 190, 195, 200, 210, 228, 247, 260, 266, 273, 280, 285, 300, 312, 325, 338, 350, 361, 364, 380, 390, 399, 420, 455, 456, 475, 494, 507, 520, 525, 532, 546, 570, 600, 650, 665, 676, 700, 722, 728, 741, 760, 780, 798, 840, 845, 910, 950, 975, 988, 1014, 1050, 1064, 1083, 1092, 1140, 1183, 1235, 1300, 1330, 1352, 1365, 1400, 1425, 1444, 1482, 1560, 1596, 1690, 1729, 1805, 1820, 1900, 1950, 1976, 1995, 2028, 2100, 2166, 2184, 2275, 2280, 2366, 2470, 2527, 2535, 2600, 2660, 2730, 2850, 2888, 2964, 3192, 3211, 3325, 3380, 3458, 3549, 3610, 3640, 3705, 3800, 3900, 3990, 4056, 4200, 4225, 4332, 4550, 4693, 4732, 4940, 5054, 5070, 5187, 5320, 5415, 5460, 5700, 5915, 5928, 6175, 6422, 6650, 6760, 6825, 6916, 7098, 7220, 7410, 7581, 7800, 7980, 8450, 8645, 8664, 9025, 9100, 9386, 9464, 9633, 9880, 9975, 10108, 10140, 10374, 10830, 10920, 11400, 11830, 12350, 12635, 12675, 12844, 13300, 13650, 13832, 14079, 14196, 14440, 14820, 15162, 15960, 16055, 16900, 17290, 17745, 18050, 18200, 18525, 18772, 19266, 19950, 20216, 20280, 20748, 21660, 22477, 23465, 23660, 24700, 25270, 25350, 25688, 25935, 26600, 27075, 27300, 28158, 28392, 29575, 29640, 30324, 32110, 32851, 33800, 34580, 35490, 36100, 37050, 37544, 37905, 38532, 39900, 41496, 43225, 43320, 44954, 46930, 47320, 48165, 49400, 50540, 50700, 51870, 54150, 54600, 56316, 59150, 60648, 61009, 63175, 64220, 65702, 67431, 69160, 70395, 70980, 72200, 74100, 75810, 77064, 79800, 80275, 86450, 88725, 89908, 93860, 96330, 98553, 101080, 101400, 103740, 108300, 112385, 112632, 117325, 118300, 122018, 126350, 128440, 129675, 131404, 134862, 140790, 141960, 148200, 151620, 160550, 164255, 172900, 177450, 179816, 183027, 187720, 189525, 192660, 197106, 207480, 216600, 224770, 234650, 236600, 240825, 244036, 252700, 259350, 262808, 269724, 281580, 303240, 305045, 321100, 328510, 337155, 345800, 351975, 354900, 366054, 379050, 385320, 394212, 427063, 449540, 469300, 481650, 488072, 492765, 505400, 518700, 539448, 561925, 563160, 610090, 642200, 657020, 674310, 703950, 709800, 732108, 758100, 788424, 821275, 854126, 899080, 915135, 938600, 963300, 985530, 1037400, 1123850, 1220180, 1281189, 1314040, 1348620, 1407900, 1464216, 1516200, 1525225, 1642550, 1685775, 1708252, 1830270, 1926600, 1971060, 2135315, 2247700, 2440360, 2463825, 2562378, 2697240, 2815800, 3050450, 3285100, 3371550, 3416504, 3660540, 3942120, 4270630, 4495400, 4575675, 4927650, 5124756, 6100900, 6405945, 6570200, 6743100, 7321080, 8541260, 9151350, 9855300, 10249512, 10676575, 12201800, 12811890, 13486200, 17082520, 18302700, 19710600, 21353150, 25623780, 32029725, 36605400, 42706300, 51247560, 64059450, 85412600, 128118900, 256237800]

約数ペア:

[(1, 256237800), (2, 128118900), (3, 85412600), (4, 64059450), (5, 51247560), (6, 42706300), (7, 36605400), (8, 32029725), (10, 25623780), (12, 21353150), (13, 19710600), (14, 18302700), (15, 17082520), (19, 13486200), (20, 12811890), (21, 12201800), (24, 10676575), (25, 10249512), (26, 9855300), (28, 9151350), (30, 8541260), (35, 7321080), (38, 6743100), (39, 6570200), (40, 6405945), (42, 6100900), (50, 5124756), (52, 4927650), (56, 4575675), (57, 4495400), (60, 4270630), (65, 3942120), (70, 3660540), (75, 3416504), (76, 3371550), (78, 3285100), (84, 3050450), (91, 2815800), (95, 2697240), (100, 2562378), (104, 2463825), (105, 2440360), (114, 2247700), (120, 2135315), (130, 1971060), (133, 1926600), (140, 1830270), (150, 1708252), (152, 1685775), (156, 1642550), (168, 1525225), (169, 1516200), (175, 1464216), (182, 1407900), (190, 1348620), (195, 1314040), (200, 1281189), (210, 1220180), (228, 1123850), (247, 1037400), (260, 985530), (266, 963300), (273, 938600), (280, 915135), (285, 899080), (300, 854126), (312, 821275), (325, 788424), (338, 758100), (350, 732108), (361, 709800), (364, 703950), (380, 674310), (390, 657020), (399, 642200), (420, 610090), (455, 563160), (456, 561925), (475, 539448), (494, 518700), (507, 505400), (520, 492765), (525, 488072), (532, 481650), (546, 469300), (570, 449540), (600, 427063), (650, 394212), (665, 385320), (676, 379050), (700, 366054), (722, 354900), (728, 351975), (741, 345800), (760, 337155), (780, 328510), (798, 321100), (840, 305045), (845, 303240), (910, 281580), (950, 269724), (975, 262808), (988, 259350), (1014, 252700), (1050, 244036), (1064, 240825), (1083, 236600), (1092, 234650), (1140, 224770), (1183, 216600), (1235, 207480), (1300, 197106), (1330, 192660), (1352, 189525), (1365, 187720), (1400, 183027), (1425, 179816), (1444, 177450), (1482, 172900), (1560, 164255), (1596, 160550), (1690, 151620), (1729, 148200), (1805, 141960), (1820, 140790), (1900, 134862), (1950, 131404), (1976, 129675), (1995, 128440), (2028, 126350), (2100, 122018), (2166, 118300), (2184, 117325), (2275, 112632), (2280, 112385), (2366, 108300), (2470, 103740), (2527, 101400), (2535, 101080), (2600, 98553), (2660, 96330), (2730, 93860), (2850, 89908), (2888, 88725), (2964, 86450), (3192, 80275), (3211, 79800), (3325, 77064), (3380, 75810), (3458, 74100), (3549, 72200), (3610, 70980), (3640, 70395), (3705, 69160), (3800, 67431), (3900, 65702), (3990, 64220), (4056, 63175), (4200, 61009), (4225, 60648), (4332, 59150), (4550, 56316), (4693, 54600), (4732, 54150), (4940, 51870), (5054, 50700), (5070, 50540), (5187, 49400), (5320, 48165), (5415, 47320), (5460, 46930), (5700, 44954), (5915, 43320), (5928, 43225), (6175, 41496), (6422, 39900), (6650, 38532), (6760, 37905), (6825, 37544), (6916, 37050), (7098, 36100), (7220, 35490), (7410, 34580), (7581, 33800), (7800, 32851), (7980, 32110), (8450, 30324), (8645, 29640), (8664, 29575), (9025, 28392), (9100, 28158), (9386, 27300), (9464, 27075), (9633, 26600), (9880, 25935), (9975, 25688), (10108, 25350), (10140, 25270), (10374, 24700), (10830, 23660), (10920, 23465), (11400, 22477), (11830, 21660), (12350, 20748), (12635, 20280), (12675, 20216), (12844, 19950), (13300, 19266), (13650, 18772), (13832, 18525), (14079, 18200), (14196, 18050), (14440, 17745), (14820, 17290), (15162, 16900), (15960, 16055)]