55655820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28109}}^1$

素因数の和:28135

約数の個数: 72

約数和(自身を含む): 184176720

約数和(自身を除く): 128520900

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, 28109, 56218, 84327, 112436, 140545, 168654, 252981, 281090, 309199, 337308, 421635, 505962, 562180, 618398, 843270, 927597, 1011924, 1236796, 1264905, 1545995, 1686540, 1855194, 2529810, 2782791, 3091990, 3710388, 4637985, 5059620, 5565582, 6183980, 9275970, 11131164, 13913955, 18551940, 27827910, 55655820]

約数ペア:

[(1, 55655820), (2, 27827910), (3, 18551940), (4, 13913955), (5, 11131164), (6, 9275970), (9, 6183980), (10, 5565582), (11, 5059620), (12, 4637985), (15, 3710388), (18, 3091990), (20, 2782791), (22, 2529810), (30, 1855194), (33, 1686540), (36, 1545995), (44, 1264905), (45, 1236796), (55, 1011924), (60, 927597), (66, 843270), (90, 618398), (99, 562180), (110, 505962), (132, 421635), (165, 337308), (180, 309199), (198, 281090), (220, 252981), (330, 168654), (396, 140545), (495, 112436), (660, 84327), (990, 56218), (1980, 28109)]