66531080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21601}}^1$

素因数の和:21630

約数の個数: 64

約数和(自身を含む): 186641280

約数和(自身を除く): 120110200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21601, 43202, 86404, 108005, 151207, 172808, 216010, 237611, 302414, 432020, 475222, 604828, 756035, 864040, 950444, 1188055, 1209656, 1512070, 1663277, 1900888, 2376110, 3024140, 3326554, 4752220, 6048280, 6653108, 8316385, 9504440, 13306216, 16632770, 33265540, 66531080]

約数ペア:

[(1, 66531080), (2, 33265540), (4, 16632770), (5, 13306216), (7, 9504440), (8, 8316385), (10, 6653108), (11, 6048280), (14, 4752220), (20, 3326554), (22, 3024140), (28, 2376110), (35, 1900888), (40, 1663277), (44, 1512070), (55, 1209656), (56, 1188055), (70, 950444), (77, 864040), (88, 756035), (110, 604828), (140, 475222), (154, 432020), (220, 302414), (280, 237611), (308, 216010), (385, 172808), (440, 151207), (616, 108005), (770, 86404), (1540, 43202), (3080, 21601)]