261497440

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{27701}}^1$

素因数の和:27775

約数の個数: 48

約数和(自身を含む): 628281360

約数和(自身を除く): 366783920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 9440, 27701, 55402, 110804, 138505, 221608, 277010, 443216, 554020, 886432, 1108040, 1634359, 2216080, 3268718, 4432160, 6537436, 8171795, 13074872, 16343590, 26149744, 32687180, 52299488, 65374360, 130748720, 261497440]

約数ペア:

[(1, 261497440), (2, 130748720), (4, 65374360), (5, 52299488), (8, 32687180), (10, 26149744), (16, 16343590), (20, 13074872), (32, 8171795), (40, 6537436), (59, 4432160), (80, 3268718), (118, 2216080), (160, 1634359), (236, 1108040), (295, 886432), (472, 554020), (590, 443216), (944, 277010), (1180, 221608), (1888, 138505), (2360, 110804), (4720, 55402), (9440, 27701)]