905227440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{290137}}^1$

素因数の和:290166

約数の個数: 80

約数和(自身を含む): 3022077408

約数和(自身を除く): 2116849968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 290137, 580274, 870411, 1160548, 1450685, 1740822, 2321096, 2901370, 3481644, 3771781, 4352055, 4642192, 5802740, 6963288, 7543562, 8704110, 11315343, 11605480, 13926576, 15087124, 17408220, 18858905, 22630686, 23210960, 30174248, 34816440, 37717810, 45261372, 56576715, 60348496, 69632880, 75435620, 90522744, 113153430, 150871240, 181045488, 226306860, 301742480, 452613720, 905227440]

約数ペア:

[(1, 905227440), (2, 452613720), (3, 301742480), (4, 226306860), (5, 181045488), (6, 150871240), (8, 113153430), (10, 90522744), (12, 75435620), (13, 69632880), (15, 60348496), (16, 56576715), (20, 45261372), (24, 37717810), (26, 34816440), (30, 30174248), (39, 23210960), (40, 22630686), (48, 18858905), (52, 17408220), (60, 15087124), (65, 13926576), (78, 11605480), (80, 11315343), (104, 8704110), (120, 7543562), (130, 6963288), (156, 5802740), (195, 4642192), (208, 4352055), (240, 3771781), (260, 3481644), (312, 2901370), (390, 2321096), (520, 1740822), (624, 1450685), (780, 1160548), (1040, 870411), (1560, 580274), (3120, 290137)]