515491860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{660887}}^1$

素因数の和:660912

約数の個数: 48

約数和(自身を含む): 1554408576

約数和(自身を除く): 1038916716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 660887, 1321774, 1982661, 2643548, 3304435, 3965322, 6608870, 7930644, 8591531, 9913305, 13217740, 17183062, 19826610, 25774593, 34366124, 39653220, 42957655, 51549186, 85915310, 103098372, 128872965, 171830620, 257745930, 515491860]

約数ペア:

[(1, 515491860), (2, 257745930), (3, 171830620), (4, 128872965), (5, 103098372), (6, 85915310), (10, 51549186), (12, 42957655), (13, 39653220), (15, 34366124), (20, 25774593), (26, 19826610), (30, 17183062), (39, 13217740), (52, 9913305), (60, 8591531), (65, 7930644), (78, 6608870), (130, 3965322), (156, 3304435), (195, 2643548), (260, 1982661), (390, 1321774), (780, 660887)]