78174180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20681}}^1$

素因数の和:20706

約数の個数: 96

約数和(自身を含む): 277966080

約数和(自身を除く): 199791900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20681, 41362, 62043, 82724, 103405, 124086, 144767, 186129, 206810, 248172, 289534, 310215, 372258, 413620, 434301, 558387, 579068, 620430, 723835, 744516, 868602, 930645, 1116774, 1240860, 1302903, 1447670, 1737204, 1861290, 2171505, 2233548, 2605806, 2791935, 2895340, 3722580, 3908709, 4343010, 5211612, 5583870, 6514515, 7817418, 8686020, 11167740, 13029030, 15634836, 19543545, 26058060, 39087090, 78174180]

約数ペア:

[(1, 78174180), (2, 39087090), (3, 26058060), (4, 19543545), (5, 15634836), (6, 13029030), (7, 11167740), (9, 8686020), (10, 7817418), (12, 6514515), (14, 5583870), (15, 5211612), (18, 4343010), (20, 3908709), (21, 3722580), (27, 2895340), (28, 2791935), (30, 2605806), (35, 2233548), (36, 2171505), (42, 1861290), (45, 1737204), (54, 1447670), (60, 1302903), (63, 1240860), (70, 1116774), (84, 930645), (90, 868602), (105, 744516), (108, 723835), (126, 620430), (135, 579068), (140, 558387), (180, 434301), (189, 413620), (210, 372258), (252, 310215), (270, 289534), (315, 248172), (378, 206810), (420, 186129), (540, 144767), (630, 124086), (756, 103405), (945, 82724), (1260, 62043), (1890, 41362), (3780, 20681)]