15651020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10163}}^1$

素因数の和:10190

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 25330228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10163, 20326, 40652, 50815, 71141, 101630, 111793, 142282, 203260, 223586, 284564, 355705, 447172, 558965, 711410, 782551, 1117930, 1422820, 1565102, 2235860, 3130204, 3912755, 7825510, 15651020]

約数ペア:

[(1, 15651020), (2, 7825510), (4, 3912755), (5, 3130204), (7, 2235860), (10, 1565102), (11, 1422820), (14, 1117930), (20, 782551), (22, 711410), (28, 558965), (35, 447172), (44, 355705), (55, 284564), (70, 223586), (77, 203260), (110, 142282), (140, 111793), (154, 101630), (220, 71141), (308, 50815), (385, 40652), (770, 20326), (1540, 10163)]