165616720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2591}}^1$

素因数の和:2668

約数の個数: 80

約数和(自身を含む): 416544768

約数和(自身を除く): 250928048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 2591, 3196, 3760, 3995, 5182, 6392, 7990, 10364, 12784, 12955, 15980, 20728, 25910, 31960, 41456, 44047, 51820, 63920, 88094, 103640, 121777, 176188, 207280, 220235, 243554, 352376, 440470, 487108, 608885, 704752, 880940, 974216, 1217770, 1761880, 1948432, 2070209, 2435540, 3523760, 4140418, 4871080, 8280836, 9742160, 10351045, 16561672, 20702090, 33123344, 41404180, 82808360, 165616720]

約数ペア:

[(1, 165616720), (2, 82808360), (4, 41404180), (5, 33123344), (8, 20702090), (10, 16561672), (16, 10351045), (17, 9742160), (20, 8280836), (34, 4871080), (40, 4140418), (47, 3523760), (68, 2435540), (80, 2070209), (85, 1948432), (94, 1761880), (136, 1217770), (170, 974216), (188, 880940), (235, 704752), (272, 608885), (340, 487108), (376, 440470), (470, 352376), (680, 243554), (752, 220235), (799, 207280), (940, 176188), (1360, 121777), (1598, 103640), (1880, 88094), (2591, 63920), (3196, 51820), (3760, 44047), (3995, 41456), (5182, 31960), (6392, 25910), (7990, 20728), (10364, 15980), (12784, 12955)]