257110920

素因数分解:

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

素因数の和:64955

約数の個数: 96

約数和(自身を含む): 911589120

約数和(自身を除く): 654478200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 64927, 129854, 194781, 259708, 324635, 389562, 519416, 584343, 649270, 714197, 779124, 973905, 1168686, 1298540, 1428394, 1558248, 1947810, 2142591, 2337372, 2597080, 2856788, 2921715, 3570985, 3895620, 4285182, 4674744, 5713576, 5843430, 6427773, 7141970, 7791240, 8570364, 10712955, 11686860, 12855546, 14283940, 17140728, 21425910, 23373720, 25711092, 28567880, 32138865, 42851820, 51422184, 64277730, 85703640, 128555460, 257110920]

約数ペア:

[(1, 257110920), (2, 128555460), (3, 85703640), (4, 64277730), (5, 51422184), (6, 42851820), (8, 32138865), (9, 28567880), (10, 25711092), (11, 23373720), (12, 21425910), (15, 17140728), (18, 14283940), (20, 12855546), (22, 11686860), (24, 10712955), (30, 8570364), (33, 7791240), (36, 7141970), (40, 6427773), (44, 5843430), (45, 5713576), (55, 4674744), (60, 4285182), (66, 3895620), (72, 3570985), (88, 2921715), (90, 2856788), (99, 2597080), (110, 2337372), (120, 2142591), (132, 1947810), (165, 1558248), (180, 1428394), (198, 1298540), (220, 1168686), (264, 973905), (330, 779124), (360, 714197), (396, 649270), (440, 584343), (495, 519416), (660, 389562), (792, 324635), (990, 259708), (1320, 194781), (1980, 129854), (3960, 64927)]