9969180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12806

約数の個数: 48

約数和(自身を含む): 30063264

約数和(自身を除く): 20094084

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, 12781, 25562, 38343, 51124, 63905, 76686, 127810, 153372, 166153, 191715, 255620, 332306, 383430, 498459, 664612, 766860, 830765, 996918, 1661530, 1993836, 2492295, 3323060, 4984590, 9969180]

約数ペア:

[(1, 9969180), (2, 4984590), (3, 3323060), (4, 2492295), (5, 1993836), (6, 1661530), (10, 996918), (12, 830765), (13, 766860), (15, 664612), (20, 498459), (26, 383430), (30, 332306), (39, 255620), (52, 191715), (60, 166153), (65, 153372), (78, 127810), (130, 76686), (156, 63905), (195, 51124), (260, 38343), (390, 25562), (780, 12781)]