216581580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{401077}}^1$

素因数の和:401095

約数の個数: 48

約数和(自身を含む): 673811040

約数和(自身を除く): 457229460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 401077, 802154, 1203231, 1604308, 2005385, 2406462, 3609693, 4010770, 4812924, 6016155, 7219386, 8021540, 10829079, 12032310, 14438772, 18048465, 21658158, 24064620, 36096930, 43316316, 54145395, 72193860, 108290790, 216581580]

約数ペア:

[(1, 216581580), (2, 108290790), (3, 72193860), (4, 54145395), (5, 43316316), (6, 36096930), (9, 24064620), (10, 21658158), (12, 18048465), (15, 14438772), (18, 12032310), (20, 10829079), (27, 8021540), (30, 7219386), (36, 6016155), (45, 4812924), (54, 4010770), (60, 3609693), (90, 2406462), (108, 2005385), (135, 1604308), (180, 1203231), (270, 802154), (540, 401077)]