64481038120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{431369}}^1$

素因数の和:431518

約数の個数: 64

約数和(自身を含む): 150479110800

約数和(自身を除く): 85998072680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 296, 370, 404, 505, 740, 808, 1010, 1480, 2020, 3737, 4040, 7474, 14948, 18685, 29896, 37370, 74740, 149480, 431369, 862738, 1725476, 2156845, 3450952, 4313690, 8627380, 15960653, 17254760, 31921306, 43568269, 63842612, 79803265, 87136538, 127685224, 159606530, 174273076, 217841345, 319213060, 348546152, 435682690, 638426120, 871365380, 1612025953, 1742730760, 3224051906, 6448103812, 8060129765, 12896207624, 16120259530, 32240519060, 64481038120]

約数ペア:

[(1, 64481038120), (2, 32240519060), (4, 16120259530), (5, 12896207624), (8, 8060129765), (10, 6448103812), (20, 3224051906), (37, 1742730760), (40, 1612025953), (74, 871365380), (101, 638426120), (148, 435682690), (185, 348546152), (202, 319213060), (296, 217841345), (370, 174273076), (404, 159606530), (505, 127685224), (740, 87136538), (808, 79803265), (1010, 63842612), (1480, 43568269), (2020, 31921306), (3737, 17254760), (4040, 15960653), (7474, 8627380), (14948, 4313690), (18685, 3450952), (29896, 2156845), (37370, 1725476), (74740, 862738), (149480, 431369)]