8409180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10781}}^1$

素因数の和:10806

約数の個数: 48

約数和(自身を含む): 25359264

約数和(自身を除く): 16950084

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, 10781, 21562, 32343, 43124, 53905, 64686, 107810, 129372, 140153, 161715, 215620, 280306, 323430, 420459, 560612, 646860, 700765, 840918, 1401530, 1681836, 2102295, 2803060, 4204590, 8409180]

約数ペア:

[(1, 8409180), (2, 4204590), (3, 2803060), (4, 2102295), (5, 1681836), (6, 1401530), (10, 840918), (12, 700765), (13, 646860), (15, 560612), (20, 420459), (26, 323430), (30, 280306), (39, 215620), (52, 161715), (60, 140153), (65, 129372), (78, 107810), (130, 64686), (156, 53905), (195, 43124), (260, 32343), (390, 21562), (780, 10781)]