7922120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 19008000

約数和(自身を除く): 11085880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 109, 115, 158, 184, 218, 230, 316, 395, 436, 460, 545, 632, 790, 872, 920, 1090, 1580, 1817, 2180, 2507, 3160, 3634, 4360, 5014, 7268, 8611, 9085, 10028, 12535, 14536, 17222, 18170, 20056, 25070, 34444, 36340, 43055, 50140, 68888, 72680, 86110, 100280, 172220, 198053, 344440, 396106, 792212, 990265, 1584424, 1980530, 3961060, 7922120]

約数ペア:

[(1, 7922120), (2, 3961060), (4, 1980530), (5, 1584424), (8, 990265), (10, 792212), (20, 396106), (23, 344440), (40, 198053), (46, 172220), (79, 100280), (92, 86110), (109, 72680), (115, 68888), (158, 50140), (184, 43055), (218, 36340), (230, 34444), (316, 25070), (395, 20056), (436, 18170), (460, 17222), (545, 14536), (632, 12535), (790, 10028), (872, 9085), (920, 8611), (1090, 7268), (1580, 5014), (1817, 4360), (2180, 3634), (2507, 3160)]