129380720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 345216000

約数和(自身を除く): 215835280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 463, 499, 560, 926, 998, 1852, 1996, 2315, 2495, 3241, 3493, 3704, 3992, 4630, 4990, 6482, 6986, 7408, 7984, 9260, 9980, 12964, 13972, 16205, 17465, 18520, 19960, 25928, 27944, 32410, 34930, 37040, 39920, 51856, 55888, 64820, 69860, 129640, 139720, 231037, 259280, 279440, 462074, 924148, 1155185, 1617259, 1848296, 2310370, 3234518, 3696592, 4620740, 6469036, 8086295, 9241480, 12938072, 16172590, 18482960, 25876144, 32345180, 64690360, 129380720]

約数ペア:

[(1, 129380720), (2, 64690360), (4, 32345180), (5, 25876144), (7, 18482960), (8, 16172590), (10, 12938072), (14, 9241480), (16, 8086295), (20, 6469036), (28, 4620740), (35, 3696592), (40, 3234518), (56, 2310370), (70, 1848296), (80, 1617259), (112, 1155185), (140, 924148), (280, 462074), (463, 279440), (499, 259280), (560, 231037), (926, 139720), (998, 129640), (1852, 69860), (1996, 64820), (2315, 55888), (2495, 51856), (3241, 39920), (3493, 37040), (3704, 34930), (3992, 32410), (4630, 27944), (4990, 25928), (6482, 19960), (6986, 18520), (7408, 17465), (7984, 16205), (9260, 13972), (9980, 12964)]