78121360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 111866480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 151, 223, 232, 290, 302, 446, 464, 580, 604, 755, 892, 1115, 1160, 1208, 1510, 1784, 2230, 2320, 2416, 3020, 3568, 4379, 4460, 6040, 6467, 8758, 8920, 12080, 12934, 17516, 17840, 21895, 25868, 32335, 33673, 35032, 43790, 51736, 64670, 67346, 70064, 87580, 103472, 129340, 134692, 168365, 175160, 258680, 269384, 336730, 350320, 517360, 538768, 673460, 976517, 1346920, 1953034, 2693840, 3906068, 4882585, 7812136, 9765170, 15624272, 19530340, 39060680, 78121360]

約数ペア:

[(1, 78121360), (2, 39060680), (4, 19530340), (5, 15624272), (8, 9765170), (10, 7812136), (16, 4882585), (20, 3906068), (29, 2693840), (40, 1953034), (58, 1346920), (80, 976517), (116, 673460), (145, 538768), (151, 517360), (223, 350320), (232, 336730), (290, 269384), (302, 258680), (446, 175160), (464, 168365), (580, 134692), (604, 129340), (755, 103472), (892, 87580), (1115, 70064), (1160, 67346), (1208, 64670), (1510, 51736), (1784, 43790), (2230, 35032), (2320, 33673), (2416, 32335), (3020, 25868), (3568, 21895), (4379, 17840), (4460, 17516), (6040, 12934), (6467, 12080), (8758, 8920)]