15636740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 38164224

約数和(自身を除く): 22527484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1831, 2135, 3662, 4270, 7324, 8540, 9155, 12817, 18310, 25634, 36620, 51268, 64085, 111691, 128170, 223382, 256340, 446764, 558455, 781837, 1116910, 1563674, 2233820, 3127348, 3909185, 7818370, 15636740]

約数ペア:

[(1, 15636740), (2, 7818370), (4, 3909185), (5, 3127348), (7, 2233820), (10, 1563674), (14, 1116910), (20, 781837), (28, 558455), (35, 446764), (61, 256340), (70, 223382), (122, 128170), (140, 111691), (244, 64085), (305, 51268), (427, 36620), (610, 25634), (854, 18310), (1220, 12817), (1708, 9155), (1831, 8540), (2135, 7324), (3662, 4270)]