281514660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{907}}^1$

素因数の和:1665

約数の個数: 96

約数和(自身を含む): 903060480

約数和(自身を除く): 621545820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 739, 907, 1478, 1814, 2217, 2721, 2956, 3628, 3695, 4434, 4535, 5173, 5442, 6349, 7390, 8868, 9070, 10346, 10884, 11085, 12698, 13605, 14780, 15519, 18140, 19047, 20692, 22170, 25396, 25865, 27210, 31038, 31745, 38094, 44340, 51730, 54420, 62076, 63490, 76188, 77595, 95235, 103460, 126980, 155190, 190470, 310380, 380940, 670273, 1340546, 2010819, 2681092, 3351365, 4021638, 4691911, 6702730, 8043276, 9383822, 10054095, 13405460, 14075733, 18767644, 20108190, 23459555, 28151466, 40216380, 46919110, 56302932, 70378665, 93838220, 140757330, 281514660]

約数ペア:

[(1, 281514660), (2, 140757330), (3, 93838220), (4, 70378665), (5, 56302932), (6, 46919110), (7, 40216380), (10, 28151466), (12, 23459555), (14, 20108190), (15, 18767644), (20, 14075733), (21, 13405460), (28, 10054095), (30, 9383822), (35, 8043276), (42, 6702730), (60, 4691911), (70, 4021638), (84, 3351365), (105, 2681092), (140, 2010819), (210, 1340546), (420, 670273), (739, 380940), (907, 310380), (1478, 190470), (1814, 155190), (2217, 126980), (2721, 103460), (2956, 95235), (3628, 77595), (3695, 76188), (4434, 63490), (4535, 62076), (5173, 54420), (5442, 51730), (6349, 44340), (7390, 38094), (8868, 31745), (9070, 31038), (10346, 27210), (10884, 25865), (11085, 25396), (12698, 22170), (13605, 20692), (14780, 19047), (15519, 18140)]