431211420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{23719}}^1$

素因数の和:23835

約数の個数: 72

約数和(自身を含む): 1321014240

約数和(自身を除く): 889802820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180, 23719, 47438, 71157, 94876, 118595, 142314, 213471, 237190, 284628, 355785, 426942, 474380, 711570, 853884, 1067355, 1423140, 2134710, 2395619, 4269420, 4791238, 7186857, 9582476, 11978095, 14373714, 21560571, 23956190, 28747428, 35934285, 43121142, 47912380, 71868570, 86242284, 107802855, 143737140, 215605710, 431211420]

約数ペア:

[(1, 431211420), (2, 215605710), (3, 143737140), (4, 107802855), (5, 86242284), (6, 71868570), (9, 47912380), (10, 43121142), (12, 35934285), (15, 28747428), (18, 23956190), (20, 21560571), (30, 14373714), (36, 11978095), (45, 9582476), (60, 7186857), (90, 4791238), (101, 4269420), (180, 2395619), (202, 2134710), (303, 1423140), (404, 1067355), (505, 853884), (606, 711570), (909, 474380), (1010, 426942), (1212, 355785), (1515, 284628), (1818, 237190), (2020, 213471), (3030, 142314), (3636, 118595), (4545, 94876), (6060, 71157), (9090, 47438), (18180, 23719)]