28397820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 96

約数和(自身を含む): 91881216

約数和(自身を除く): 63483396

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2531, 2805, 3740, 5062, 5610, 7593, 10124, 11220, 12655, 15186, 25310, 27841, 30372, 37965, 43027, 50620, 55682, 75930, 83523, 86054, 111364, 129081, 139205, 151860, 167046, 172108, 215135, 258162, 278410, 334092, 417615, 430270, 473297, 516324, 556820, 645405, 835230, 860540, 946594, 1290810, 1419891, 1670460, 1893188, 2366485, 2581620, 2839782, 4732970, 5679564, 7099455, 9465940, 14198910, 28397820]

約数ペア:

[(1, 28397820), (2, 14198910), (3, 9465940), (4, 7099455), (5, 5679564), (6, 4732970), (10, 2839782), (11, 2581620), (12, 2366485), (15, 1893188), (17, 1670460), (20, 1419891), (22, 1290810), (30, 946594), (33, 860540), (34, 835230), (44, 645405), (51, 556820), (55, 516324), (60, 473297), (66, 430270), (68, 417615), (85, 334092), (102, 278410), (110, 258162), (132, 215135), (165, 172108), (170, 167046), (187, 151860), (204, 139205), (220, 129081), (255, 111364), (330, 86054), (340, 83523), (374, 75930), (510, 55682), (561, 50620), (660, 43027), (748, 37965), (935, 30372), (1020, 27841), (1122, 25310), (1870, 15186), (2244, 12655), (2531, 11220), (2805, 10124), (3740, 7593), (5062, 5610)]