161987560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34031}}^1$

素因数の和:34066

約数の個数: 64

約数和(自身を含む): 441054720

約数和(自身を除く): 279067160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 34031, 68062, 136124, 170155, 238217, 272248, 340310, 476434, 578527, 680620, 952868, 1157054, 1191085, 1361240, 1905736, 2314108, 2382170, 2892635, 4049689, 4628216, 4764340, 5785270, 8099378, 9528680, 11570540, 16198756, 20248445, 23141080, 32397512, 40496890, 80993780, 161987560]

約数ペア:

[(1, 161987560), (2, 80993780), (4, 40496890), (5, 32397512), (7, 23141080), (8, 20248445), (10, 16198756), (14, 11570540), (17, 9528680), (20, 8099378), (28, 5785270), (34, 4764340), (35, 4628216), (40, 4049689), (56, 2892635), (68, 2382170), (70, 2314108), (85, 1905736), (119, 1361240), (136, 1191085), (140, 1157054), (170, 952868), (238, 680620), (280, 578527), (340, 476434), (476, 340310), (595, 272248), (680, 238217), (952, 170155), (1190, 136124), (2380, 68062), (4760, 34031)]