15382820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 34180608

約数和(自身を除く): 18797788

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 577, 620, 860, 1154, 1333, 2308, 2666, 2885, 5332, 5770, 6665, 11540, 13330, 17887, 24811, 26660, 35774, 49622, 71548, 89435, 99244, 124055, 178870, 248110, 357740, 496220, 769141, 1538282, 3076564, 3845705, 7691410, 15382820]

約数ペア:

[(1, 15382820), (2, 7691410), (4, 3845705), (5, 3076564), (10, 1538282), (20, 769141), (31, 496220), (43, 357740), (62, 248110), (86, 178870), (124, 124055), (155, 99244), (172, 89435), (215, 71548), (310, 49622), (430, 35774), (577, 26660), (620, 24811), (860, 17887), (1154, 13330), (1333, 11540), (2308, 6665), (2666, 5770), (2885, 5332)]