153934840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 365967360

約数和(自身を除く): 212032520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 2887, 5332, 5774, 6665, 10664, 11548, 13330, 14435, 23096, 26660, 28870, 53320, 57740, 89497, 115480, 124141, 178994, 248282, 357988, 447485, 496564, 620705, 715976, 894970, 993128, 1241410, 1789940, 2482820, 3579880, 3848371, 4965640, 7696742, 15393484, 19241855, 30786968, 38483710, 76967420, 153934840]

約数ペア:

[(1, 153934840), (2, 76967420), (4, 38483710), (5, 30786968), (8, 19241855), (10, 15393484), (20, 7696742), (31, 4965640), (40, 3848371), (43, 3579880), (62, 2482820), (86, 1789940), (124, 1241410), (155, 993128), (172, 894970), (215, 715976), (248, 620705), (310, 496564), (344, 447485), (430, 357988), (620, 248282), (860, 178994), (1240, 124141), (1333, 115480), (1720, 89497), (2666, 57740), (2887, 53320), (5332, 28870), (5774, 26660), (6665, 23096), (10664, 14435), (11548, 13330)]