12129780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15551}}^1$

素因数の和:15576

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 24448524

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, 15551, 31102, 46653, 62204, 77755, 93306, 155510, 186612, 202163, 233265, 311020, 404326, 466530, 606489, 808652, 933060, 1010815, 1212978, 2021630, 2425956, 3032445, 4043260, 6064890, 12129780]

約数ペア:

[(1, 12129780), (2, 6064890), (3, 4043260), (4, 3032445), (5, 2425956), (6, 2021630), (10, 1212978), (12, 1010815), (13, 933060), (15, 808652), (20, 606489), (26, 466530), (30, 404326), (39, 311020), (52, 233265), (60, 202163), (65, 186612), (78, 155510), (130, 93306), (156, 77755), (195, 62204), (260, 46653), (390, 31102), (780, 15551)]