42807180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54881}}^1$

素因数の和:54906

約数の個数: 48

約数和(自身を含む): 129082464

約数和(自身を除く): 86275284

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, 54881, 109762, 164643, 219524, 274405, 329286, 548810, 658572, 713453, 823215, 1097620, 1426906, 1646430, 2140359, 2853812, 3292860, 3567265, 4280718, 7134530, 8561436, 10701795, 14269060, 21403590, 42807180]

約数ペア:

[(1, 42807180), (2, 21403590), (3, 14269060), (4, 10701795), (5, 8561436), (6, 7134530), (10, 4280718), (12, 3567265), (13, 3292860), (15, 2853812), (20, 2140359), (26, 1646430), (30, 1426906), (39, 1097620), (52, 823215), (60, 713453), (65, 658572), (78, 548810), (130, 329286), (156, 274405), (195, 219524), (260, 164643), (390, 109762), (780, 54881)]