810949360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1861}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 2036432160

約数和(自身を除く): 1225482800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 419, 520, 838, 1040, 1676, 1861, 2095, 3352, 3722, 4190, 5447, 6704, 7444, 8380, 9305, 10894, 14888, 16760, 18610, 21788, 24193, 27235, 29776, 33520, 37220, 43576, 48386, 54470, 74440, 87152, 96772, 108940, 120965, 148880, 193544, 217880, 241930, 387088, 435760, 483860, 779759, 967720, 1559518, 1935440, 3119036, 3898795, 6238072, 7797590, 10136867, 12476144, 15595180, 20273734, 31190360, 40547468, 50684335, 62380720, 81094936, 101368670, 162189872, 202737340, 405474680, 810949360]

約数ペア:

[(1, 810949360), (2, 405474680), (4, 202737340), (5, 162189872), (8, 101368670), (10, 81094936), (13, 62380720), (16, 50684335), (20, 40547468), (26, 31190360), (40, 20273734), (52, 15595180), (65, 12476144), (80, 10136867), (104, 7797590), (130, 6238072), (208, 3898795), (260, 3119036), (419, 1935440), (520, 1559518), (838, 967720), (1040, 779759), (1676, 483860), (1861, 435760), (2095, 387088), (3352, 241930), (3722, 217880), (4190, 193544), (5447, 148880), (6704, 120965), (7444, 108940), (8380, 96772), (9305, 87152), (10894, 74440), (14888, 54470), (16760, 48386), (18610, 43576), (21788, 37220), (24193, 33520), (27235, 29776)]