40784220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7355

約数の個数: 72

約数和(自身を含む): 127720320

約数和(自身を除く): 86936100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7309, 14618, 21927, 29236, 36545, 43854, 65781, 73090, 87708, 109635, 131562, 146180, 219270, 226579, 263124, 328905, 438540, 453158, 657810, 679737, 906316, 1132895, 1315620, 1359474, 2039211, 2265790, 2718948, 3398685, 4078422, 4531580, 6797370, 8156844, 10196055, 13594740, 20392110, 40784220]

約数ペア:

[(1, 40784220), (2, 20392110), (3, 13594740), (4, 10196055), (5, 8156844), (6, 6797370), (9, 4531580), (10, 4078422), (12, 3398685), (15, 2718948), (18, 2265790), (20, 2039211), (30, 1359474), (31, 1315620), (36, 1132895), (45, 906316), (60, 679737), (62, 657810), (90, 453158), (93, 438540), (124, 328905), (155, 263124), (180, 226579), (186, 219270), (279, 146180), (310, 131562), (372, 109635), (465, 87708), (558, 73090), (620, 65781), (930, 43854), (1116, 36545), (1395, 29236), (1860, 21927), (2790, 14618), (5580, 7309)]