76991220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{691}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 234255840

約数和(自身を除く): 157264620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 691, 1238, 1382, 1857, 2073, 2476, 2764, 3095, 3455, 3714, 4146, 5571, 6190, 6219, 6910, 7428, 8292, 9285, 10365, 11142, 12380, 12438, 13820, 18570, 20730, 22284, 24876, 27855, 31095, 37140, 41460, 55710, 62190, 111420, 124380, 427729, 855458, 1283187, 1710916, 2138645, 2566374, 3849561, 4277290, 5132748, 6415935, 7699122, 8554580, 12831870, 15398244, 19247805, 25663740, 38495610, 76991220]

約数ペア:

[(1, 76991220), (2, 38495610), (3, 25663740), (4, 19247805), (5, 15398244), (6, 12831870), (9, 8554580), (10, 7699122), (12, 6415935), (15, 5132748), (18, 4277290), (20, 3849561), (30, 2566374), (36, 2138645), (45, 1710916), (60, 1283187), (90, 855458), (180, 427729), (619, 124380), (691, 111420), (1238, 62190), (1382, 55710), (1857, 41460), (2073, 37140), (2476, 31095), (2764, 27855), (3095, 24876), (3455, 22284), (3714, 20730), (4146, 18570), (5571, 13820), (6190, 12438), (6219, 12380), (6910, 11142), (7428, 10365), (8292, 9285)]