138171780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4241}}^1$

素因数の和:4437

約数の個数: 72

約数和(自身を含む): 421536024

約数和(自身を除く): 283364244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 4241, 5430, 6516, 8145, 8482, 10860, 12723, 16290, 16964, 21205, 25446, 32580, 38169, 42410, 50892, 63615, 76338, 84820, 127230, 152676, 190845, 254460, 381690, 763380, 767621, 1535242, 2302863, 3070484, 3838105, 4605726, 6908589, 7676210, 9211452, 11514315, 13817178, 15352420, 23028630, 27634356, 34542945, 46057260, 69085890, 138171780]

約数ペア:

[(1, 138171780), (2, 69085890), (3, 46057260), (4, 34542945), (5, 27634356), (6, 23028630), (9, 15352420), (10, 13817178), (12, 11514315), (15, 9211452), (18, 7676210), (20, 6908589), (30, 4605726), (36, 3838105), (45, 3070484), (60, 2302863), (90, 1535242), (180, 767621), (181, 763380), (362, 381690), (543, 254460), (724, 190845), (905, 152676), (1086, 127230), (1629, 84820), (1810, 76338), (2172, 63615), (2715, 50892), (3258, 42410), (3620, 38169), (4241, 32580), (5430, 25446), (6516, 21205), (8145, 16964), (8482, 16290), (10860, 12723)]