312323240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 725049360

約数和(自身を除く): 412726120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 157, 164, 205, 314, 328, 410, 628, 785, 820, 1213, 1256, 1570, 1640, 2426, 3140, 4852, 6065, 6280, 6437, 9704, 12130, 12874, 24260, 25748, 32185, 48520, 49733, 51496, 64370, 99466, 128740, 190441, 198932, 248665, 257480, 380882, 397864, 497330, 761764, 952205, 994660, 1523528, 1904410, 1989320, 3808820, 7617640, 7808081, 15616162, 31232324, 39040405, 62464648, 78080810, 156161620, 312323240]

約数ペア:

[(1, 312323240), (2, 156161620), (4, 78080810), (5, 62464648), (8, 39040405), (10, 31232324), (20, 15616162), (40, 7808081), (41, 7617640), (82, 3808820), (157, 1989320), (164, 1904410), (205, 1523528), (314, 994660), (328, 952205), (410, 761764), (628, 497330), (785, 397864), (820, 380882), (1213, 257480), (1256, 248665), (1570, 198932), (1640, 190441), (2426, 128740), (3140, 99466), (4852, 64370), (6065, 51496), (6280, 49733), (6437, 48520), (9704, 32185), (12130, 25748), (12874, 24260)]