153921080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 358063200

約数和(自身を除く): 204142120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 172, 215, 218, 344, 430, 436, 545, 821, 860, 872, 1090, 1642, 1720, 2180, 3284, 4105, 4360, 4687, 6568, 8210, 9374, 16420, 18748, 23435, 32840, 35303, 37496, 46870, 70606, 89489, 93740, 141212, 176515, 178978, 187480, 282424, 353030, 357956, 447445, 706060, 715912, 894890, 1412120, 1789780, 3579560, 3848027, 7696054, 15392108, 19240135, 30784216, 38480270, 76960540, 153921080]

約数ペア:

[(1, 153921080), (2, 76960540), (4, 38480270), (5, 30784216), (8, 19240135), (10, 15392108), (20, 7696054), (40, 3848027), (43, 3579560), (86, 1789780), (109, 1412120), (172, 894890), (215, 715912), (218, 706060), (344, 447445), (430, 357956), (436, 353030), (545, 282424), (821, 187480), (860, 178978), (872, 176515), (1090, 141212), (1642, 93740), (1720, 89489), (2180, 70606), (3284, 46870), (4105, 37496), (4360, 35303), (4687, 32840), (6568, 23435), (8210, 18748), (9374, 16420)]