128555460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64927}}^1$

素因数の和:64953

約数の個数: 72

約数和(自身を含む): 425408256

約数和(自身を除く): 296852796

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, 64927, 129854, 194781, 259708, 324635, 389562, 584343, 649270, 714197, 779124, 973905, 1168686, 1298540, 1428394, 1947810, 2142591, 2337372, 2856788, 2921715, 3570985, 3895620, 4285182, 5843430, 6427773, 7141970, 8570364, 10712955, 11686860, 12855546, 14283940, 21425910, 25711092, 32138865, 42851820, 64277730, 128555460]

約数ペア:

[(1, 128555460), (2, 64277730), (3, 42851820), (4, 32138865), (5, 25711092), (6, 21425910), (9, 14283940), (10, 12855546), (11, 11686860), (12, 10712955), (15, 8570364), (18, 7141970), (20, 6427773), (22, 5843430), (30, 4285182), (33, 3895620), (36, 3570985), (44, 2921715), (45, 2856788), (55, 2337372), (60, 2142591), (66, 1947810), (90, 1428394), (99, 1298540), (110, 1168686), (132, 973905), (165, 779124), (180, 714197), (198, 649270), (220, 584343), (330, 389562), (396, 324635), (495, 259708), (660, 194781), (990, 129854), (1980, 64927)]