77621220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{143743}}^1$

素因数の和:143761

約数の個数: 48

約数和(自身を含む): 241489920

約数和(自身を除く): 163868700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 143743, 287486, 431229, 574972, 718715, 862458, 1293687, 1437430, 1724916, 2156145, 2587374, 2874860, 3881061, 4312290, 5174748, 6468435, 7762122, 8624580, 12936870, 15524244, 19405305, 25873740, 38810610, 77621220]

約数ペア:

[(1, 77621220), (2, 38810610), (3, 25873740), (4, 19405305), (5, 15524244), (6, 12936870), (9, 8624580), (10, 7762122), (12, 6468435), (15, 5174748), (18, 4312290), (20, 3881061), (27, 2874860), (30, 2587374), (36, 2156145), (45, 1724916), (54, 1437430), (60, 1293687), (90, 862458), (108, 718715), (135, 574972), (180, 431229), (270, 287486), (540, 143743)]