66325240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 86890760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 151, 158, 278, 302, 316, 395, 556, 604, 632, 695, 755, 790, 1112, 1208, 1390, 1510, 1580, 2780, 3020, 3160, 5560, 6040, 10981, 11929, 20989, 21962, 23858, 41978, 43924, 47716, 54905, 59645, 83956, 87848, 95432, 104945, 109810, 119290, 167912, 209890, 219620, 238580, 419780, 439240, 477160, 839560, 1658131, 3316262, 6632524, 8290655, 13265048, 16581310, 33162620, 66325240]

約数ペア:

[(1, 66325240), (2, 33162620), (4, 16581310), (5, 13265048), (8, 8290655), (10, 6632524), (20, 3316262), (40, 1658131), (79, 839560), (139, 477160), (151, 439240), (158, 419780), (278, 238580), (302, 219620), (316, 209890), (395, 167912), (556, 119290), (604, 109810), (632, 104945), (695, 95432), (755, 87848), (790, 83956), (1112, 59645), (1208, 54905), (1390, 47716), (1510, 43924), (1580, 41978), (2780, 23858), (3020, 21962), (3160, 20989), (5560, 11929), (6040, 10981)]