240785820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121609}}^1$

素因数の和:121635

約数の個数: 72

約数和(自身を含む): 796788720

約数和(自身を除く): 556002900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 121609, 243218, 364827, 486436, 608045, 729654, 1094481, 1216090, 1337699, 1459308, 1824135, 2188962, 2432180, 2675398, 3648270, 4013097, 4377924, 5350796, 5472405, 6688495, 7296540, 8026194, 10944810, 12039291, 13376990, 16052388, 20065485, 21889620, 24078582, 26753980, 40130970, 48157164, 60196455, 80261940, 120392910, 240785820]

約数ペア:

[(1, 240785820), (2, 120392910), (3, 80261940), (4, 60196455), (5, 48157164), (6, 40130970), (9, 26753980), (10, 24078582), (11, 21889620), (12, 20065485), (15, 16052388), (18, 13376990), (20, 12039291), (22, 10944810), (30, 8026194), (33, 7296540), (36, 6688495), (44, 5472405), (45, 5350796), (55, 4377924), (60, 4013097), (66, 3648270), (90, 2675398), (99, 2432180), (110, 2188962), (132, 1824135), (165, 1459308), (180, 1337699), (198, 1216090), (220, 1094481), (330, 729654), (396, 608045), (495, 486436), (660, 364827), (990, 243218), (1980, 121609)]