2820522640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3037}}^1$

素因数の和:3129

約数の個数: 160

約数和(自身を含む): 7594513920

約数和(自身を除く): 4773991280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 47, 52, 65, 76, 80, 94, 95, 104, 130, 152, 188, 190, 208, 235, 247, 260, 304, 376, 380, 470, 494, 520, 611, 752, 760, 893, 940, 988, 1040, 1222, 1235, 1520, 1786, 1880, 1976, 2444, 2470, 3037, 3055, 3572, 3760, 3952, 4465, 4888, 4940, 6074, 6110, 7144, 8930, 9776, 9880, 11609, 12148, 12220, 14288, 15185, 17860, 19760, 23218, 24296, 24440, 30370, 35720, 39481, 46436, 48592, 48880, 57703, 58045, 60740, 71440, 78962, 92872, 115406, 116090, 121480, 142739, 157924, 185744, 197405, 230812, 232180, 242960, 285478, 288515, 315848, 394810, 461624, 464360, 570956, 577030, 631696, 713695, 750139, 789620, 923248, 928720, 1141912, 1154060, 1427390, 1500278, 1579240, 1855607, 2283824, 2308120, 2712041, 2854780, 3000556, 3158480, 3711214, 3750695, 4616240, 5424082, 5709560, 6001112, 7422428, 7501390, 9278035, 10848164, 11419120, 12002224, 13560205, 14844856, 15002780, 18556070, 21696328, 27120410, 29689712, 30005560, 35256533, 37112140, 43392656, 54240820, 60011120, 70513066, 74224280, 108481640, 141026132, 148448560, 176282665, 216963280, 282052264, 352565330, 564104528, 705130660, 1410261320, 2820522640]

約数ペア:

[(1, 2820522640), (2, 1410261320), (4, 705130660), (5, 564104528), (8, 352565330), (10, 282052264), (13, 216963280), (16, 176282665), (19, 148448560), (20, 141026132), (26, 108481640), (38, 74224280), (40, 70513066), (47, 60011120), (52, 54240820), (65, 43392656), (76, 37112140), (80, 35256533), (94, 30005560), (95, 29689712), (104, 27120410), (130, 21696328), (152, 18556070), (188, 15002780), (190, 14844856), (208, 13560205), (235, 12002224), (247, 11419120), (260, 10848164), (304, 9278035), (376, 7501390), (380, 7422428), (470, 6001112), (494, 5709560), (520, 5424082), (611, 4616240), (752, 3750695), (760, 3711214), (893, 3158480), (940, 3000556), (988, 2854780), (1040, 2712041), (1222, 2308120), (1235, 2283824), (1520, 1855607), (1786, 1579240), (1880, 1500278), (1976, 1427390), (2444, 1154060), (2470, 1141912), (3037, 928720), (3055, 923248), (3572, 789620), (3760, 750139), (3952, 713695), (4465, 631696), (4888, 577030), (4940, 570956), (6074, 464360), (6110, 461624), (7144, 394810), (8930, 315848), (9776, 288515), (9880, 285478), (11609, 242960), (12148, 232180), (12220, 230812), (14288, 197405), (15185, 185744), (17860, 157924), (19760, 142739), (23218, 121480), (24296, 116090), (24440, 115406), (30370, 92872), (35720, 78962), (39481, 71440), (46436, 60740), (48592, 58045), (48880, 57703)]