988217880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{633473}}^1$

素因数の和:633500

約数の個数: 64

約数和(自身を含む): 3192708960

約数和(自身を除く): 2204491080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 633473, 1266946, 1900419, 2533892, 3167365, 3800838, 5067784, 6334730, 7601676, 8235149, 9502095, 12669460, 15203352, 16470298, 19004190, 24705447, 25338920, 32940596, 38008380, 41175745, 49410894, 65881192, 76016760, 82351490, 98821788, 123527235, 164702980, 197643576, 247054470, 329405960, 494108940, 988217880]

約数ペア:

[(1, 988217880), (2, 494108940), (3, 329405960), (4, 247054470), (5, 197643576), (6, 164702980), (8, 123527235), (10, 98821788), (12, 82351490), (13, 76016760), (15, 65881192), (20, 49410894), (24, 41175745), (26, 38008380), (30, 32940596), (39, 25338920), (40, 24705447), (52, 19004190), (60, 16470298), (65, 15203352), (78, 12669460), (104, 9502095), (120, 8235149), (130, 7601676), (156, 6334730), (195, 5067784), (260, 3800838), (312, 3167365), (390, 2533892), (520, 1900419), (780, 1266946), (1560, 633473)]