28645740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3701}}^1$

素因数の和:3759

約数の個数: 72

約数和(自身を含む): 88936848

約数和(自身を除く): 60291108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3701, 3870, 7402, 7740, 11103, 14804, 18505, 22206, 33309, 37010, 44412, 55515, 66618, 74020, 111030, 133236, 159143, 166545, 222060, 318286, 333090, 477429, 636572, 666180, 795715, 954858, 1432287, 1591430, 1909716, 2387145, 2864574, 3182860, 4774290, 5729148, 7161435, 9548580, 14322870, 28645740]

約数ペア:

[(1, 28645740), (2, 14322870), (3, 9548580), (4, 7161435), (5, 5729148), (6, 4774290), (9, 3182860), (10, 2864574), (12, 2387145), (15, 1909716), (18, 1591430), (20, 1432287), (30, 954858), (36, 795715), (43, 666180), (45, 636572), (60, 477429), (86, 333090), (90, 318286), (129, 222060), (172, 166545), (180, 159143), (215, 133236), (258, 111030), (387, 74020), (430, 66618), (516, 55515), (645, 44412), (774, 37010), (860, 33309), (1290, 22206), (1548, 18505), (1935, 14804), (2580, 11103), (3701, 7740), (3870, 7402)]