691080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 2237760

約数和(自身を除く): 1546680

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, 443, 520, 780, 886, 1329, 1560, 1772, 2215, 2658, 3544, 4430, 5316, 5759, 6645, 8860, 10632, 11518, 13290, 17277, 17720, 23036, 26580, 28795, 34554, 46072, 53160, 57590, 69108, 86385, 115180, 138216, 172770, 230360, 345540, 691080]

約数ペア:

[(1, 691080), (2, 345540), (3, 230360), (4, 172770), (5, 138216), (6, 115180), (8, 86385), (10, 69108), (12, 57590), (13, 53160), (15, 46072), (20, 34554), (24, 28795), (26, 26580), (30, 23036), (39, 17720), (40, 17277), (52, 13290), (60, 11518), (65, 10632), (78, 8860), (104, 6645), (120, 5759), (130, 5316), (156, 4430), (195, 3544), (260, 2658), (312, 2215), (390, 1772), (443, 1560), (520, 1329), (780, 886)]