80501960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 230169600

約数和(自身を除く): 149667640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 385, 413, 440, 443, 472, 590, 616, 649, 770, 826, 886, 1180, 1298, 1540, 1652, 1772, 2065, 2215, 2360, 2596, 3080, 3101, 3245, 3304, 3544, 4130, 4430, 4543, 4873, 5192, 6202, 6490, 8260, 8860, 9086, 9746, 12404, 12980, 15505, 16520, 17720, 18172, 19492, 22715, 24365, 24808, 25960, 26137, 31010, 34111, 36344, 38984, 45430, 48730, 52274, 62020, 68222, 90860, 97460, 104548, 124040, 130685, 136444, 170555, 181720, 182959, 194920, 209096, 261370, 272888, 287507, 341110, 365918, 522740, 575014, 682220, 731836, 914795, 1045480, 1150028, 1364440, 1437535, 1463672, 1829590, 2012549, 2300056, 2875070, 3659180, 4025098, 5750140, 7318360, 8050196, 10062745, 11500280, 16100392, 20125490, 40250980, 80501960]

約数ペア:

[(1, 80501960), (2, 40250980), (4, 20125490), (5, 16100392), (7, 11500280), (8, 10062745), (10, 8050196), (11, 7318360), (14, 5750140), (20, 4025098), (22, 3659180), (28, 2875070), (35, 2300056), (40, 2012549), (44, 1829590), (55, 1463672), (56, 1437535), (59, 1364440), (70, 1150028), (77, 1045480), (88, 914795), (110, 731836), (118, 682220), (140, 575014), (154, 522740), (220, 365918), (236, 341110), (280, 287507), (295, 272888), (308, 261370), (385, 209096), (413, 194920), (440, 182959), (443, 181720), (472, 170555), (590, 136444), (616, 130685), (649, 124040), (770, 104548), (826, 97460), (886, 90860), (1180, 68222), (1298, 62020), (1540, 52274), (1652, 48730), (1772, 45430), (2065, 38984), (2215, 36344), (2360, 34111), (2596, 31010), (3080, 26137), (3101, 25960), (3245, 24808), (3304, 24365), (3544, 22715), (4130, 19492), (4430, 18172), (4543, 17720), (4873, 16520), (5192, 15505), (6202, 12980), (6490, 12404), (8260, 9746), (8860, 9086)]