66401476880

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1\times {\mathrm{3391}}^1$

素因数の和:5176

約数の個数: 80

約数和(自身を含む): 155547568128

約数和(自身を除く): 89146091248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 1621, 2416, 3020, 3242, 3391, 6040, 6484, 6782, 8105, 12080, 12968, 13564, 16210, 16955, 25936, 27128, 32420, 33910, 54256, 64840, 67820, 129680, 135640, 244771, 271280, 489542, 512041, 979084, 1024082, 1223855, 1958168, 2048164, 2447710, 2560205, 3916336, 4096328, 4895420, 5120410, 5496811, 8192656, 9790840, 10240820, 10993622, 19581680, 20481640, 21987244, 27484055, 40963280, 43974488, 54968110, 87948976, 109936220, 219872440, 439744880, 830018461, 1660036922, 3320073844, 4150092305, 6640147688, 8300184610, 13280295376, 16600369220, 33200738440, 66401476880]

約数ペア:

[(1, 66401476880), (2, 33200738440), (4, 16600369220), (5, 13280295376), (8, 8300184610), (10, 6640147688), (16, 4150092305), (20, 3320073844), (40, 1660036922), (80, 830018461), (151, 439744880), (302, 219872440), (604, 109936220), (755, 87948976), (1208, 54968110), (1510, 43974488), (1621, 40963280), (2416, 27484055), (3020, 21987244), (3242, 20481640), (3391, 19581680), (6040, 10993622), (6484, 10240820), (6782, 9790840), (8105, 8192656), (12080, 5496811), (12968, 5120410), (13564, 4895420), (16210, 4096328), (16955, 3916336), (25936, 2560205), (27128, 2447710), (32420, 2048164), (33910, 1958168), (54256, 1223855), (64840, 1024082), (67820, 979084), (129680, 512041), (135640, 489542), (244771, 271280)]