121395640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1069}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 291211200

約数和(自身を除く): 169815560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 167, 170, 334, 340, 668, 680, 835, 1069, 1336, 1670, 2138, 2839, 3340, 4276, 5345, 5678, 6680, 8552, 10690, 11356, 14195, 18173, 21380, 22712, 28390, 36346, 42760, 56780, 72692, 90865, 113560, 145384, 178523, 181730, 357046, 363460, 714092, 726920, 892615, 1428184, 1785230, 3034891, 3570460, 6069782, 7140920, 12139564, 15174455, 24279128, 30348910, 60697820, 121395640]

約数ペア:

[(1, 121395640), (2, 60697820), (4, 30348910), (5, 24279128), (8, 15174455), (10, 12139564), (17, 7140920), (20, 6069782), (34, 3570460), (40, 3034891), (68, 1785230), (85, 1428184), (136, 892615), (167, 726920), (170, 714092), (334, 363460), (340, 357046), (668, 181730), (680, 178523), (835, 145384), (1069, 113560), (1336, 90865), (1670, 72692), (2138, 56780), (2839, 42760), (3340, 36346), (4276, 28390), (5345, 22712), (5678, 21380), (6680, 18173), (8552, 14195), (10690, 11356)]