61648660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 133910784

約数和(自身を除く): 72262124

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 227, 367, 370, 454, 734, 740, 908, 1135, 1468, 1835, 2270, 3670, 4540, 7340, 8399, 13579, 16798, 27158, 33596, 41995, 54316, 67895, 83309, 83990, 135790, 166618, 167980, 271580, 333236, 416545, 833090, 1666180, 3082433, 6164866, 12329732, 15412165, 30824330, 61648660]

約数ペア:

[(1, 61648660), (2, 30824330), (4, 15412165), (5, 12329732), (10, 6164866), (20, 3082433), (37, 1666180), (74, 833090), (148, 416545), (185, 333236), (227, 271580), (367, 167980), (370, 166618), (454, 135790), (734, 83990), (740, 83309), (908, 67895), (1135, 54316), (1468, 41995), (1835, 33596), (2270, 27158), (3670, 16798), (4540, 13579), (7340, 8399)]