30765640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 73244160

約数和(自身を除く): 42478520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 577, 620, 860, 1154, 1240, 1333, 1720, 2308, 2666, 2885, 4616, 5332, 5770, 6665, 10664, 11540, 13330, 17887, 23080, 24811, 26660, 35774, 49622, 53320, 71548, 89435, 99244, 124055, 143096, 178870, 198488, 248110, 357740, 496220, 715480, 769141, 992440, 1538282, 3076564, 3845705, 6153128, 7691410, 15382820, 30765640]

約数ペア:

[(1, 30765640), (2, 15382820), (4, 7691410), (5, 6153128), (8, 3845705), (10, 3076564), (20, 1538282), (31, 992440), (40, 769141), (43, 715480), (62, 496220), (86, 357740), (124, 248110), (155, 198488), (172, 178870), (215, 143096), (248, 124055), (310, 99244), (344, 89435), (430, 71548), (577, 53320), (620, 49622), (860, 35774), (1154, 26660), (1240, 24811), (1333, 23080), (1720, 17887), (2308, 13330), (2666, 11540), (2885, 10664), (4616, 6665), (5332, 5770)]