260513680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5227}}^1$

素因数の和:5336

約数の個数: 80

約数和(自身を含む): 700133760

約数和(自身を除く): 439620080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 5227, 6230, 7120, 9968, 10454, 12460, 20908, 24920, 26135, 36589, 41816, 49840, 52270, 73178, 83632, 104540, 146356, 182945, 209080, 292712, 365890, 418160, 465203, 585424, 731780, 930406, 1463560, 1860812, 2326015, 2927120, 3256421, 3721624, 4652030, 6512842, 7443248, 9304060, 13025684, 16282105, 18608120, 26051368, 32564210, 37216240, 52102736, 65128420, 130256840, 260513680]

約数ペア:

[(1, 260513680), (2, 130256840), (4, 65128420), (5, 52102736), (7, 37216240), (8, 32564210), (10, 26051368), (14, 18608120), (16, 16282105), (20, 13025684), (28, 9304060), (35, 7443248), (40, 6512842), (56, 4652030), (70, 3721624), (80, 3256421), (89, 2927120), (112, 2326015), (140, 1860812), (178, 1463560), (280, 930406), (356, 731780), (445, 585424), (560, 465203), (623, 418160), (712, 365890), (890, 292712), (1246, 209080), (1424, 182945), (1780, 146356), (2492, 104540), (3115, 83632), (3560, 73178), (4984, 52270), (5227, 49840), (6230, 41816), (7120, 36589), (9968, 26135), (10454, 24920), (12460, 20908)]