40939380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 125798400

約数和(自身を除く): 84859020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 2879, 3555, 4740, 5758, 7110, 8637, 11516, 14220, 14395, 17274, 25911, 28790, 34548, 43185, 51822, 57580, 86370, 103644, 129555, 172740, 227441, 259110, 454882, 518220, 682323, 909764, 1137205, 1364646, 2046969, 2274410, 2729292, 3411615, 4093938, 4548820, 6823230, 8187876, 10234845, 13646460, 20469690, 40939380]

約数ペア:

[(1, 40939380), (2, 20469690), (3, 13646460), (4, 10234845), (5, 8187876), (6, 6823230), (9, 4548820), (10, 4093938), (12, 3411615), (15, 2729292), (18, 2274410), (20, 2046969), (30, 1364646), (36, 1137205), (45, 909764), (60, 682323), (79, 518220), (90, 454882), (158, 259110), (180, 227441), (237, 172740), (316, 129555), (395, 103644), (474, 86370), (711, 57580), (790, 51822), (948, 43185), (1185, 34548), (1422, 28790), (1580, 25911), (2370, 17274), (2844, 14395), (2879, 14220), (3555, 11516), (4740, 8637), (5758, 7110)]