66909180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85781}}^1$

素因数の和:85806

約数の個数: 48

約数和(自身を含む): 201759264

約数和(自身を除く): 134850084

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, 85781, 171562, 257343, 343124, 428905, 514686, 857810, 1029372, 1115153, 1286715, 1715620, 2230306, 2573430, 3345459, 4460612, 5146860, 5575765, 6690918, 11151530, 13381836, 16727295, 22303060, 33454590, 66909180]

約数ペア:

[(1, 66909180), (2, 33454590), (3, 22303060), (4, 16727295), (5, 13381836), (6, 11151530), (10, 6690918), (12, 5575765), (13, 5146860), (15, 4460612), (20, 3345459), (26, 2573430), (30, 2230306), (39, 1715620), (52, 1286715), (60, 1115153), (65, 1029372), (78, 857810), (130, 514686), (156, 428905), (195, 343124), (260, 257343), (390, 171562), (780, 85781)]