15554592020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{251611}}^1$

素因数の和:251912

約数の個数: 48

約数和(自身を含む): 35761110336

約数和(自身を除く): 20206518316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2810, 3091, 5620, 6182, 12364, 15455, 30910, 61820, 251611, 503222, 1006444, 1258055, 2516110, 2767721, 5032220, 5535442, 11070884, 13838605, 27677210, 55354420, 70702691, 141405382, 282810764, 353513455, 707026910, 777729601, 1414053820, 1555459202, 3110918404, 3888648005, 7777296010, 15554592020]

約数ペア:

[(1, 15554592020), (2, 7777296010), (4, 3888648005), (5, 3110918404), (10, 1555459202), (11, 1414053820), (20, 777729601), (22, 707026910), (44, 353513455), (55, 282810764), (110, 141405382), (220, 70702691), (281, 55354420), (562, 27677210), (1124, 13838605), (1405, 11070884), (2810, 5535442), (3091, 5032220), (5620, 2767721), (6182, 2516110), (12364, 1258055), (15455, 1006444), (30910, 503222), (61820, 251611)]