390870900

素因数分解:

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

素因数の和:20711

約数の個数: 144

約数和(自身を含む): 1436158080

約数和(自身を除く): 1045287180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 18900, 20681, 41362, 62043, 82724, 103405, 124086, 144767, 186129, 206810, 248172, 289534, 310215, 372258, 413620, 434301, 517025, 558387, 579068, 620430, 723835, 744516, 868602, 930645, 1034050, 1116774, 1240860, 1302903, 1447670, 1551075, 1737204, 1861290, 2068100, 2171505, 2233548, 2605806, 2791935, 2895340, 3102150, 3619175, 3722580, 3908709, 4343010, 4653225, 5211612, 5583870, 6204300, 6514515, 7238350, 7817418, 8686020, 9306450, 10857525, 11167740, 13029030, 13959675, 14476700, 15634836, 18612900, 19543545, 21715050, 26058060, 27919350, 32572575, 39087090, 43430100, 55838700, 65145150, 78174180, 97717725, 130290300, 195435450, 390870900]

約数ペア:

[(1, 390870900), (2, 195435450), (3, 130290300), (4, 97717725), (5, 78174180), (6, 65145150), (7, 55838700), (9, 43430100), (10, 39087090), (12, 32572575), (14, 27919350), (15, 26058060), (18, 21715050), (20, 19543545), (21, 18612900), (25, 15634836), (27, 14476700), (28, 13959675), (30, 13029030), (35, 11167740), (36, 10857525), (42, 9306450), (45, 8686020), (50, 7817418), (54, 7238350), (60, 6514515), (63, 6204300), (70, 5583870), (75, 5211612), (84, 4653225), (90, 4343010), (100, 3908709), (105, 3722580), (108, 3619175), (126, 3102150), (135, 2895340), (140, 2791935), (150, 2605806), (175, 2233548), (180, 2171505), (189, 2068100), (210, 1861290), (225, 1737204), (252, 1551075), (270, 1447670), (300, 1302903), (315, 1240860), (350, 1116774), (378, 1034050), (420, 930645), (450, 868602), (525, 744516), (540, 723835), (630, 620430), (675, 579068), (700, 558387), (756, 517025), (900, 434301), (945, 413620), (1050, 372258), (1260, 310215), (1350, 289534), (1575, 248172), (1890, 206810), (2100, 186129), (2700, 144767), (3150, 124086), (3780, 103405), (4725, 82724), (6300, 62043), (9450, 41362), (18900, 20681)]