13241980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 30945600

約数和(自身を除く): 17703620

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 79, 85, 116, 145, 158, 170, 289, 290, 316, 340, 395, 493, 578, 580, 790, 986, 1156, 1343, 1445, 1580, 1972, 2291, 2465, 2686, 2890, 4582, 4930, 5372, 5780, 6715, 8381, 9164, 9860, 11455, 13430, 16762, 22831, 22910, 26860, 33524, 38947, 41905, 45662, 45820, 77894, 83810, 91324, 114155, 155788, 167620, 194735, 228310, 389470, 456620, 662099, 778940, 1324198, 2648396, 3310495, 6620990, 13241980]

約数ペア:

[(1, 13241980), (2, 6620990), (4, 3310495), (5, 2648396), (10, 1324198), (17, 778940), (20, 662099), (29, 456620), (34, 389470), (58, 228310), (68, 194735), (79, 167620), (85, 155788), (116, 114155), (145, 91324), (158, 83810), (170, 77894), (289, 45820), (290, 45662), (316, 41905), (340, 38947), (395, 33524), (493, 26860), (578, 22910), (580, 22831), (790, 16762), (986, 13430), (1156, 11455), (1343, 9860), (1445, 9164), (1580, 8381), (1972, 6715), (2291, 5780), (2465, 5372), (2686, 4930), (2890, 4582)]