2669988680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{81701}}^1$

素因数の和:81774

約数の個数: 64

約数和(自身を含む): 6470798400

約数和(自身を除く): 3800809720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 81701, 163402, 326804, 408505, 653608, 817010, 1552319, 1634020, 3104638, 3268040, 3513143, 6209276, 7026286, 7761595, 12418552, 14052572, 15523190, 17565715, 28105144, 31046380, 35131430, 62092760, 66749717, 70262860, 133499434, 140525720, 266998868, 333748585, 533997736, 667497170, 1334994340, 2669988680]

約数ペア:

[(1, 2669988680), (2, 1334994340), (4, 667497170), (5, 533997736), (8, 333748585), (10, 266998868), (19, 140525720), (20, 133499434), (38, 70262860), (40, 66749717), (43, 62092760), (76, 35131430), (86, 31046380), (95, 28105144), (152, 17565715), (172, 15523190), (190, 14052572), (215, 12418552), (344, 7761595), (380, 7026286), (430, 6209276), (760, 3513143), (817, 3268040), (860, 3104638), (1634, 1634020), (1720, 1552319), (3268, 817010), (4085, 653608), (6536, 408505), (8170, 326804), (16340, 163402), (32680, 81701)]