13765640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 35717760

約数和(自身を除く): 21952120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 233, 280, 422, 466, 844, 932, 1055, 1165, 1477, 1631, 1688, 1864, 2110, 2330, 2954, 3262, 4220, 4660, 5908, 6524, 7385, 8155, 8440, 9320, 11816, 13048, 14770, 16310, 29540, 32620, 49163, 59080, 65240, 98326, 196652, 245815, 344141, 393304, 491630, 688282, 983260, 1376564, 1720705, 1966520, 2753128, 3441410, 6882820, 13765640]

約数ペア:

[(1, 13765640), (2, 6882820), (4, 3441410), (5, 2753128), (7, 1966520), (8, 1720705), (10, 1376564), (14, 983260), (20, 688282), (28, 491630), (35, 393304), (40, 344141), (56, 245815), (70, 196652), (140, 98326), (211, 65240), (233, 59080), (280, 49163), (422, 32620), (466, 29540), (844, 16310), (932, 14770), (1055, 13048), (1165, 11816), (1477, 9320), (1631, 8440), (1688, 8155), (1864, 7385), (2110, 6524), (2330, 5908), (2954, 4660), (3262, 4220)]