15513260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3821}}^1$

素因数の和:3866

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 23012500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3821, 4060, 7642, 15284, 19105, 26747, 38210, 53494, 76420, 106988, 110809, 133735, 221618, 267470, 443236, 534940, 554045, 775663, 1108090, 1551326, 2216180, 3102652, 3878315, 7756630, 15513260]

約数ペア:

[(1, 15513260), (2, 7756630), (4, 3878315), (5, 3102652), (7, 2216180), (10, 1551326), (14, 1108090), (20, 775663), (28, 554045), (29, 534940), (35, 443236), (58, 267470), (70, 221618), (116, 133735), (140, 110809), (145, 106988), (203, 76420), (290, 53494), (406, 38210), (580, 26747), (812, 19105), (1015, 15284), (2030, 7642), (3821, 4060)]