1637480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 4112640

約数和(自身を除く): 2475160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 67, 94, 104, 130, 134, 188, 235, 260, 268, 335, 376, 470, 520, 536, 611, 670, 871, 940, 1222, 1340, 1742, 1880, 2444, 2680, 3055, 3149, 3484, 4355, 4888, 6110, 6298, 6968, 8710, 12220, 12596, 15745, 17420, 24440, 25192, 31490, 34840, 40937, 62980, 81874, 125960, 163748, 204685, 327496, 409370, 818740, 1637480]

約数ペア:

[(1, 1637480), (2, 818740), (4, 409370), (5, 327496), (8, 204685), (10, 163748), (13, 125960), (20, 81874), (26, 62980), (40, 40937), (47, 34840), (52, 31490), (65, 25192), (67, 24440), (94, 17420), (104, 15745), (130, 12596), (134, 12220), (188, 8710), (235, 6968), (260, 6298), (268, 6110), (335, 4888), (376, 4355), (470, 3484), (520, 3149), (536, 3055), (611, 2680), (670, 2444), (871, 1880), (940, 1742), (1222, 1340)]