85788080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 229152000

約数和(自身を除く): 143363920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 499, 560, 614, 998, 1228, 1535, 1996, 2149, 2456, 2495, 3070, 3493, 3992, 4298, 4912, 4990, 6140, 6986, 7984, 8596, 9980, 10745, 12280, 13972, 17192, 17465, 19960, 21490, 24560, 27944, 34384, 34930, 39920, 42980, 55888, 69860, 85960, 139720, 153193, 171920, 279440, 306386, 612772, 765965, 1072351, 1225544, 1531930, 2144702, 2451088, 3063860, 4289404, 5361755, 6127720, 8578808, 10723510, 12255440, 17157616, 21447020, 42894040, 85788080]

約数ペア:

[(1, 85788080), (2, 42894040), (4, 21447020), (5, 17157616), (7, 12255440), (8, 10723510), (10, 8578808), (14, 6127720), (16, 5361755), (20, 4289404), (28, 3063860), (35, 2451088), (40, 2144702), (56, 1531930), (70, 1225544), (80, 1072351), (112, 765965), (140, 612772), (280, 306386), (307, 279440), (499, 171920), (560, 153193), (614, 139720), (998, 85960), (1228, 69860), (1535, 55888), (1996, 42980), (2149, 39920), (2456, 34930), (2495, 34384), (3070, 27944), (3493, 24560), (3992, 21490), (4298, 19960), (4912, 17465), (4990, 17192), (6140, 13972), (6986, 12280), (7984, 10745), (8596, 9980)]