901797640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{16787}}^1$

素因数の和:16894

約数の個数: 64

約数和(自身を含む): 2175724800

約数和(自身を除く): 1273927160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2686, 3160, 5372, 6715, 10744, 13430, 16787, 26860, 33574, 53720, 67148, 83935, 134296, 167870, 285379, 335740, 570758, 671480, 1141516, 1326173, 1426895, 2283032, 2652346, 2853790, 5304692, 5707580, 6630865, 10609384, 11415160, 13261730, 22544941, 26523460, 45089882, 53046920, 90179764, 112724705, 180359528, 225449410, 450898820, 901797640]

約数ペア:

[(1, 901797640), (2, 450898820), (4, 225449410), (5, 180359528), (8, 112724705), (10, 90179764), (17, 53046920), (20, 45089882), (34, 26523460), (40, 22544941), (68, 13261730), (79, 11415160), (85, 10609384), (136, 6630865), (158, 5707580), (170, 5304692), (316, 2853790), (340, 2652346), (395, 2283032), (632, 1426895), (680, 1326173), (790, 1141516), (1343, 671480), (1580, 570758), (2686, 335740), (3160, 285379), (5372, 167870), (6715, 134296), (10744, 83935), (13430, 67148), (16787, 53720), (26860, 33574)]