255164360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 628214400

約数和(自身を除く): 373050040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 439, 440, 878, 1321, 1756, 2195, 2642, 3512, 4390, 4829, 5284, 6605, 8780, 9658, 10568, 13210, 14531, 17560, 19316, 24145, 26420, 29062, 38632, 48290, 52840, 58124, 72655, 96580, 116248, 145310, 193160, 290620, 579919, 581240, 1159838, 2319676, 2899595, 4639352, 5799190, 6379109, 11598380, 12758218, 23196760, 25516436, 31895545, 51032872, 63791090, 127582180, 255164360]

約数ペア:

[(1, 255164360), (2, 127582180), (4, 63791090), (5, 51032872), (8, 31895545), (10, 25516436), (11, 23196760), (20, 12758218), (22, 11598380), (40, 6379109), (44, 5799190), (55, 4639352), (88, 2899595), (110, 2319676), (220, 1159838), (439, 581240), (440, 579919), (878, 290620), (1321, 193160), (1756, 145310), (2195, 116248), (2642, 96580), (3512, 72655), (4390, 58124), (4829, 52840), (5284, 48290), (6605, 38632), (8780, 29062), (9658, 26420), (10568, 24145), (13210, 19316), (14531, 17560)]