81950580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1483}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 249561312

約数和(自身を除く): 167610732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1483, 1535, 1842, 2763, 2966, 3070, 3684, 4449, 4605, 5526, 5932, 6140, 7415, 8898, 9210, 11052, 13347, 13815, 14830, 17796, 18420, 22245, 26694, 27630, 29660, 44490, 53388, 55260, 66735, 88980, 133470, 266940, 455281, 910562, 1365843, 1821124, 2276405, 2731686, 4097529, 4552810, 5463372, 6829215, 8195058, 9105620, 13658430, 16390116, 20487645, 27316860, 40975290, 81950580]

約数ペア:

[(1, 81950580), (2, 40975290), (3, 27316860), (4, 20487645), (5, 16390116), (6, 13658430), (9, 9105620), (10, 8195058), (12, 6829215), (15, 5463372), (18, 4552810), (20, 4097529), (30, 2731686), (36, 2276405), (45, 1821124), (60, 1365843), (90, 910562), (180, 455281), (307, 266940), (614, 133470), (921, 88980), (1228, 66735), (1483, 55260), (1535, 53388), (1842, 44490), (2763, 29660), (2966, 27630), (3070, 26694), (3684, 22245), (4449, 18420), (4605, 17796), (5526, 14830), (5932, 13815), (6140, 13347), (7415, 11052), (8898, 9210)]