248654320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 593712000

約数和(自身を除く): 345057680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 139, 236, 278, 295, 379, 472, 556, 590, 695, 758, 944, 1112, 1180, 1390, 1516, 1895, 2224, 2360, 2780, 3032, 3790, 4720, 5560, 6064, 7580, 8201, 11120, 15160, 16402, 22361, 30320, 32804, 41005, 44722, 52681, 65608, 82010, 89444, 105362, 111805, 131216, 164020, 178888, 210724, 223610, 263405, 328040, 357776, 421448, 447220, 526810, 656080, 842896, 894440, 1053620, 1788880, 2107240, 3108179, 4214480, 6216358, 12432716, 15540895, 24865432, 31081790, 49730864, 62163580, 124327160, 248654320]

約数ペア:

[(1, 248654320), (2, 124327160), (4, 62163580), (5, 49730864), (8, 31081790), (10, 24865432), (16, 15540895), (20, 12432716), (40, 6216358), (59, 4214480), (80, 3108179), (118, 2107240), (139, 1788880), (236, 1053620), (278, 894440), (295, 842896), (379, 656080), (472, 526810), (556, 447220), (590, 421448), (695, 357776), (758, 328040), (944, 263405), (1112, 223610), (1180, 210724), (1390, 178888), (1516, 164020), (1895, 131216), (2224, 111805), (2360, 105362), (2780, 89444), (3032, 82010), (3790, 65608), (4720, 52681), (5560, 44722), (6064, 41005), (7580, 32804), (8201, 30320), (11120, 22361), (15160, 16402)]