15160940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 35174832

約数和(自身を除く): 20013892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 61, 68, 85, 86, 122, 170, 172, 215, 244, 289, 305, 340, 430, 578, 610, 731, 860, 1037, 1156, 1220, 1445, 1462, 2074, 2623, 2890, 2924, 3655, 4148, 5185, 5246, 5780, 7310, 10370, 10492, 12427, 13115, 14620, 17629, 20740, 24854, 26230, 35258, 44591, 49708, 52460, 62135, 70516, 88145, 89182, 124270, 176290, 178364, 222955, 248540, 352580, 445910, 758047, 891820, 1516094, 3032188, 3790235, 7580470, 15160940]

約数ペア:

[(1, 15160940), (2, 7580470), (4, 3790235), (5, 3032188), (10, 1516094), (17, 891820), (20, 758047), (34, 445910), (43, 352580), (61, 248540), (68, 222955), (85, 178364), (86, 176290), (122, 124270), (170, 89182), (172, 88145), (215, 70516), (244, 62135), (289, 52460), (305, 49708), (340, 44591), (430, 35258), (578, 26230), (610, 24854), (731, 20740), (860, 17629), (1037, 14620), (1156, 13115), (1220, 12427), (1445, 10492), (1462, 10370), (2074, 7310), (2623, 5780), (2890, 5246), (2924, 5185), (3655, 4148)]