15722840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 40772160

約数和(自身を除く): 25049320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 241, 280, 466, 482, 932, 964, 1165, 1205, 1631, 1687, 1864, 1928, 2330, 2410, 3262, 3374, 4660, 4820, 6524, 6748, 8155, 8435, 9320, 9640, 13048, 13496, 16310, 16870, 32620, 33740, 56153, 65240, 67480, 112306, 224612, 280765, 393071, 449224, 561530, 786142, 1123060, 1572284, 1965355, 2246120, 3144568, 3930710, 7861420, 15722840]

約数ペア:

[(1, 15722840), (2, 7861420), (4, 3930710), (5, 3144568), (7, 2246120), (8, 1965355), (10, 1572284), (14, 1123060), (20, 786142), (28, 561530), (35, 449224), (40, 393071), (56, 280765), (70, 224612), (140, 112306), (233, 67480), (241, 65240), (280, 56153), (466, 33740), (482, 32620), (932, 16870), (964, 16310), (1165, 13496), (1205, 13048), (1631, 9640), (1687, 9320), (1864, 8435), (1928, 8155), (2330, 6748), (2410, 6524), (3262, 4820), (3374, 4660)]