15106840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 39202560

約数和(自身を除く): 24095720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 331, 652, 662, 815, 1141, 1304, 1324, 1630, 1655, 2282, 2317, 2648, 3260, 3310, 4564, 4634, 5705, 6520, 6620, 9128, 9268, 11410, 11585, 13240, 18536, 22820, 23170, 45640, 46340, 53953, 92680, 107906, 215812, 269765, 377671, 431624, 539530, 755342, 1079060, 1510684, 1888355, 2158120, 3021368, 3776710, 7553420, 15106840]

約数ペア:

[(1, 15106840), (2, 7553420), (4, 3776710), (5, 3021368), (7, 2158120), (8, 1888355), (10, 1510684), (14, 1079060), (20, 755342), (28, 539530), (35, 431624), (40, 377671), (56, 269765), (70, 215812), (140, 107906), (163, 92680), (280, 53953), (326, 46340), (331, 45640), (652, 23170), (662, 22820), (815, 18536), (1141, 13240), (1304, 11585), (1324, 11410), (1630, 9268), (1655, 9128), (2282, 6620), (2317, 6520), (2648, 5705), (3260, 4634), (3310, 4564)]