28115910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 80

約数和(自身を含む): 76561056

約数和(自身を除く): 48445146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 103, 135, 162, 206, 270, 309, 337, 405, 515, 618, 674, 810, 927, 1011, 1030, 1545, 1685, 1854, 2022, 2781, 3033, 3090, 3370, 4635, 5055, 5562, 6066, 8343, 9099, 9270, 10110, 13905, 15165, 16686, 18198, 27297, 27810, 30330, 34711, 41715, 45495, 54594, 69422, 83430, 90990, 104133, 136485, 173555, 208266, 272970, 312399, 347110, 520665, 624798, 937197, 1041330, 1561995, 1874394, 2811591, 3123990, 4685985, 5623182, 9371970, 14057955, 28115910]

約数ペア:

[(1, 28115910), (2, 14057955), (3, 9371970), (5, 5623182), (6, 4685985), (9, 3123990), (10, 2811591), (15, 1874394), (18, 1561995), (27, 1041330), (30, 937197), (45, 624798), (54, 520665), (81, 347110), (90, 312399), (103, 272970), (135, 208266), (162, 173555), (206, 136485), (270, 104133), (309, 90990), (337, 83430), (405, 69422), (515, 54594), (618, 45495), (674, 41715), (810, 34711), (927, 30330), (1011, 27810), (1030, 27297), (1545, 18198), (1685, 16686), (1854, 15165), (2022, 13905), (2781, 10110), (3033, 9270), (3090, 9099), (3370, 8343), (4635, 6066), (5055, 5562)]