120865240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{177743}}^1$

素因数の和:177771

約数の個数: 32

約数和(自身を含む): 287945280

約数和(自身を除く): 167080040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 177743, 355486, 710972, 888715, 1421944, 1777430, 3021631, 3554860, 6043262, 7109720, 12086524, 15108155, 24173048, 30216310, 60432620, 120865240]

約数ペア:

[(1, 120865240), (2, 60432620), (4, 30216310), (5, 24173048), (8, 15108155), (10, 12086524), (17, 7109720), (20, 6043262), (34, 3554860), (40, 3021631), (68, 1777430), (85, 1421944), (136, 888715), (170, 710972), (340, 355486), (680, 177743)]