218864280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11617}}^1$

素因数の和:11788

約数の個数: 64

約数和(自身を含む): 660831840

約数和(自身を除く): 441967560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 11617, 18840, 23234, 34851, 46468, 58085, 69702, 92936, 116170, 139404, 174255, 232340, 278808, 348510, 464680, 697020, 1394040, 1823869, 3647738, 5471607, 7295476, 9119345, 10943214, 14590952, 18238690, 21886428, 27358035, 36477380, 43772856, 54716070, 72954760, 109432140, 218864280]

約数ペア:

[(1, 218864280), (2, 109432140), (3, 72954760), (4, 54716070), (5, 43772856), (6, 36477380), (8, 27358035), (10, 21886428), (12, 18238690), (15, 14590952), (20, 10943214), (24, 9119345), (30, 7295476), (40, 5471607), (60, 3647738), (120, 1823869), (157, 1394040), (314, 697020), (471, 464680), (628, 348510), (785, 278808), (942, 232340), (1256, 174255), (1570, 139404), (1884, 116170), (2355, 92936), (3140, 69702), (3768, 58085), (4710, 46468), (6280, 34851), (9420, 23234), (11617, 18840)]