2157420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 6195168

約数和(自身を除く): 4037748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 877, 1230, 1754, 2460, 2631, 3508, 4385, 5262, 8770, 10524, 13155, 17540, 26310, 35957, 52620, 71914, 107871, 143828, 179785, 215742, 359570, 431484, 539355, 719140, 1078710, 2157420]

約数ペア:

[(1, 2157420), (2, 1078710), (3, 719140), (4, 539355), (5, 431484), (6, 359570), (10, 215742), (12, 179785), (15, 143828), (20, 107871), (30, 71914), (41, 52620), (60, 35957), (82, 26310), (123, 17540), (164, 13155), (205, 10524), (246, 8770), (410, 5262), (492, 4385), (615, 3508), (820, 2631), (877, 2460), (1230, 1754)]