2015885580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{781351}}^1$

素因数の和:781406

約数の個数: 48

約数和(自身を含む): 5775753984

約数和(自身を除く): 3759868404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 781351, 1562702, 2344053, 3125404, 3906755, 4688106, 7813510, 9376212, 11720265, 15627020, 23440530, 33598093, 46881060, 67196186, 100794279, 134392372, 167990465, 201588558, 335980930, 403177116, 503971395, 671961860, 1007942790, 2015885580]

約数ペア:

[(1, 2015885580), (2, 1007942790), (3, 671961860), (4, 503971395), (5, 403177116), (6, 335980930), (10, 201588558), (12, 167990465), (15, 134392372), (20, 100794279), (30, 67196186), (43, 46881060), (60, 33598093), (86, 23440530), (129, 15627020), (172, 11720265), (215, 9376212), (258, 7813510), (430, 4688106), (516, 3906755), (645, 3125404), (860, 2344053), (1290, 1562702), (2580, 781351)]