257645520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32531}}^1$

素因数の和:32561

約数の個数: 120

約数和(自身を含む): 943948512

約数和(自身を除く): 686302992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 32531, 65062, 97593, 130124, 162655, 195186, 260248, 292779, 325310, 357841, 390372, 487965, 520496, 585558, 650620, 715682, 780744, 975930, 1073523, 1171116, 1301240, 1431364, 1463895, 1561488, 1789205, 1951860, 2147046, 2342232, 2602480, 2862728, 2927790, 3220569, 3578410, 3903720, 4294092, 4684464, 5367615, 5725456, 5855580, 6441138, 7156820, 7807440, 8588184, 10735230, 11711160, 12882276, 14313640, 16102845, 17176368, 21470460, 23422320, 25764552, 28627280, 32205690, 42940920, 51529104, 64411380, 85881840, 128822760, 257645520]

約数ペア:

[(1, 257645520), (2, 128822760), (3, 85881840), (4, 64411380), (5, 51529104), (6, 42940920), (8, 32205690), (9, 28627280), (10, 25764552), (11, 23422320), (12, 21470460), (15, 17176368), (16, 16102845), (18, 14313640), (20, 12882276), (22, 11711160), (24, 10735230), (30, 8588184), (33, 7807440), (36, 7156820), (40, 6441138), (44, 5855580), (45, 5725456), (48, 5367615), (55, 4684464), (60, 4294092), (66, 3903720), (72, 3578410), (80, 3220569), (88, 2927790), (90, 2862728), (99, 2602480), (110, 2342232), (120, 2147046), (132, 1951860), (144, 1789205), (165, 1561488), (176, 1463895), (180, 1431364), (198, 1301240), (220, 1171116), (240, 1073523), (264, 975930), (330, 780744), (360, 715682), (396, 650620), (440, 585558), (495, 520496), (528, 487965), (660, 390372), (720, 357841), (792, 325310), (880, 292779), (990, 260248), (1320, 195186), (1584, 162655), (1980, 130124), (2640, 97593), (3960, 65062), (7920, 32531)]