31266660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 92574720

約数和(自身を除く): 61308060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 163, 230, 276, 278, 326, 345, 417, 460, 489, 556, 652, 690, 695, 815, 834, 978, 1380, 1390, 1630, 1668, 1956, 2085, 2445, 2780, 3197, 3260, 3749, 4170, 4890, 6394, 7498, 8340, 9591, 9780, 11247, 12788, 14996, 15985, 18745, 19182, 22494, 22657, 31970, 37490, 38364, 44988, 45314, 47955, 56235, 63940, 67971, 74980, 90628, 95910, 112470, 113285, 135942, 191820, 224940, 226570, 271884, 339855, 453140, 521111, 679710, 1042222, 1359420, 1563333, 2084444, 2605555, 3126666, 5211110, 6253332, 7816665, 10422220, 15633330, 31266660]

約数ペア:

[(1, 31266660), (2, 15633330), (3, 10422220), (4, 7816665), (5, 6253332), (6, 5211110), (10, 3126666), (12, 2605555), (15, 2084444), (20, 1563333), (23, 1359420), (30, 1042222), (46, 679710), (60, 521111), (69, 453140), (92, 339855), (115, 271884), (138, 226570), (139, 224940), (163, 191820), (230, 135942), (276, 113285), (278, 112470), (326, 95910), (345, 90628), (417, 74980), (460, 67971), (489, 63940), (556, 56235), (652, 47955), (690, 45314), (695, 44988), (815, 38364), (834, 37490), (978, 31970), (1380, 22657), (1390, 22494), (1630, 19182), (1668, 18745), (1956, 15985), (2085, 14996), (2445, 12788), (2780, 11247), (3197, 9780), (3260, 9591), (3749, 8340), (4170, 7498), (4890, 6394)]