128722160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4410

約数の個数: 80

約数和(自身を含む): 348566976

約数和(自身を除く): 219844816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 4337, 5936, 7420, 8674, 14840, 17348, 21685, 29680, 30359, 34696, 43370, 60718, 69392, 86740, 121436, 151795, 173480, 229861, 242872, 303590, 346960, 459722, 485744, 607180, 919444, 1149305, 1214360, 1609027, 1838888, 2298610, 2428720, 3218054, 3677776, 4597220, 6436108, 8045135, 9194440, 12872216, 16090270, 18388880, 25744432, 32180540, 64361080, 128722160]

約数ペア:

[(1, 128722160), (2, 64361080), (4, 32180540), (5, 25744432), (7, 18388880), (8, 16090270), (10, 12872216), (14, 9194440), (16, 8045135), (20, 6436108), (28, 4597220), (35, 3677776), (40, 3218054), (53, 2428720), (56, 2298610), (70, 1838888), (80, 1609027), (106, 1214360), (112, 1149305), (140, 919444), (212, 607180), (265, 485744), (280, 459722), (371, 346960), (424, 303590), (530, 242872), (560, 229861), (742, 173480), (848, 151795), (1060, 121436), (1484, 86740), (1855, 69392), (2120, 60718), (2968, 43370), (3710, 34696), (4240, 30359), (4337, 29680), (5936, 21685), (7420, 17348), (8674, 14840)]