31352480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^2\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 77041692

約数和(自身を除く): 45689212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 233, 290, 464, 466, 580, 841, 928, 932, 1160, 1165, 1682, 1864, 2320, 2330, 3364, 3728, 4205, 4640, 4660, 6728, 6757, 7456, 8410, 9320, 13456, 13514, 16820, 18640, 26912, 27028, 33640, 33785, 37280, 54056, 67280, 67570, 108112, 134560, 135140, 195953, 216224, 270280, 391906, 540560, 783812, 979765, 1081120, 1567624, 1959530, 3135248, 3919060, 6270496, 7838120, 15676240, 31352480]

約数ペア:

[(1, 31352480), (2, 15676240), (4, 7838120), (5, 6270496), (8, 3919060), (10, 3135248), (16, 1959530), (20, 1567624), (29, 1081120), (32, 979765), (40, 783812), (58, 540560), (80, 391906), (116, 270280), (145, 216224), (160, 195953), (232, 135140), (233, 134560), (290, 108112), (464, 67570), (466, 67280), (580, 54056), (841, 37280), (928, 33785), (932, 33640), (1160, 27028), (1165, 26912), (1682, 18640), (1864, 16820), (2320, 13514), (2330, 13456), (3364, 9320), (3728, 8410), (4205, 7456), (4640, 6757), (4660, 6728)]