28681620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43457}}^1$

素因数の和:43480

約数の個数: 48

約数和(自身を含む): 87611328

約数和(自身を除く): 58929708

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 43457, 86914, 130371, 173828, 217285, 260742, 434570, 478027, 521484, 651855, 869140, 956054, 1303710, 1434081, 1912108, 2390135, 2607420, 2868162, 4780270, 5736324, 7170405, 9560540, 14340810, 28681620]

約数ペア:

[(1, 28681620), (2, 14340810), (3, 9560540), (4, 7170405), (5, 5736324), (6, 4780270), (10, 2868162), (11, 2607420), (12, 2390135), (15, 1912108), (20, 1434081), (22, 1303710), (30, 956054), (33, 869140), (44, 651855), (55, 521484), (60, 478027), (66, 434570), (110, 260742), (132, 217285), (165, 173828), (220, 130371), (330, 86914), (660, 43457)]