172138880

素因数分解:

$2^7\times 5^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 413430480

約数和(自身を除く): 241291600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 277, 320, 554, 640, 971, 1108, 1385, 1942, 2216, 2770, 3884, 4432, 4855, 5540, 7768, 8864, 9710, 11080, 15536, 17728, 19420, 22160, 31072, 35456, 38840, 44320, 62144, 77680, 88640, 124288, 155360, 177280, 268967, 310720, 537934, 621440, 1075868, 1344835, 2151736, 2689670, 4303472, 5379340, 8606944, 10758680, 17213888, 21517360, 34427776, 43034720, 86069440, 172138880]

約数ペア:

[(1, 172138880), (2, 86069440), (4, 43034720), (5, 34427776), (8, 21517360), (10, 17213888), (16, 10758680), (20, 8606944), (32, 5379340), (40, 4303472), (64, 2689670), (80, 2151736), (128, 1344835), (160, 1075868), (277, 621440), (320, 537934), (554, 310720), (640, 268967), (971, 177280), (1108, 155360), (1385, 124288), (1942, 88640), (2216, 77680), (2770, 62144), (3884, 44320), (4432, 38840), (4855, 35456), (5540, 31072), (7768, 22160), (8864, 19420), (9710, 17728), (11080, 15536)]