15857820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8009}}^1$

素因数の和:8035

約数の個数: 72

約数和(自身を含む): 52481520

約数和(自身を除く): 36623700

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, 8009, 16018, 24027, 32036, 40045, 48054, 72081, 80090, 88099, 96108, 120135, 144162, 160180, 176198, 240270, 264297, 288324, 352396, 360405, 440495, 480540, 528594, 720810, 792891, 880990, 1057188, 1321485, 1441620, 1585782, 1761980, 2642970, 3171564, 3964455, 5285940, 7928910, 15857820]

約数ペア:

[(1, 15857820), (2, 7928910), (3, 5285940), (4, 3964455), (5, 3171564), (6, 2642970), (9, 1761980), (10, 1585782), (11, 1441620), (12, 1321485), (15, 1057188), (18, 880990), (20, 792891), (22, 720810), (30, 528594), (33, 480540), (36, 440495), (44, 360405), (45, 352396), (55, 288324), (60, 264297), (66, 240270), (90, 176198), (99, 160180), (110, 144162), (132, 120135), (165, 96108), (180, 88099), (198, 80090), (220, 72081), (330, 48054), (396, 40045), (495, 32036), (660, 24027), (990, 16018), (1980, 8009)]