64569180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82781}}^1$

素因数の和:82806

約数の個数: 48

約数和(自身を含む): 194703264

約数和(自身を除く): 130134084

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, 82781, 165562, 248343, 331124, 413905, 496686, 827810, 993372, 1076153, 1241715, 1655620, 2152306, 2483430, 3228459, 4304612, 4966860, 5380765, 6456918, 10761530, 12913836, 16142295, 21523060, 32284590, 64569180]

約数ペア:

[(1, 64569180), (2, 32284590), (3, 21523060), (4, 16142295), (5, 12913836), (6, 10761530), (10, 6456918), (12, 5380765), (13, 4966860), (15, 4304612), (20, 3228459), (26, 2483430), (30, 2152306), (39, 1655620), (52, 1241715), (60, 1076153), (65, 993372), (78, 827810), (130, 496686), (156, 413905), (195, 331124), (260, 248343), (390, 165562), (780, 82781)]