680001840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{134921}}^1$

素因数の和:134947

約数の個数: 120

約数和(自身を含む): 2609931168

約数和(自身を除く): 1929929328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 134921, 269842, 404763, 539684, 674605, 809526, 944447, 1079368, 1214289, 1349210, 1619052, 1888894, 2023815, 2158736, 2428578, 2698420, 2833341, 3238104, 3777788, 4047630, 4722235, 4857156, 5396840, 5666682, 6071445, 6476208, 7555576, 8095260, 8500023, 9444470, 9714312, 10793680, 11333364, 12142890, 14166705, 15111152, 16190520, 17000046, 18888940, 19428624, 22666728, 24285780, 28333410, 32381040, 34000092, 37777880, 42500115, 45333456, 48571560, 56666820, 68000184, 75555760, 85000230, 97143120, 113333640, 136000368, 170000460, 226667280, 340000920, 680001840]

約数ペア:

[(1, 680001840), (2, 340000920), (3, 226667280), (4, 170000460), (5, 136000368), (6, 113333640), (7, 97143120), (8, 85000230), (9, 75555760), (10, 68000184), (12, 56666820), (14, 48571560), (15, 45333456), (16, 42500115), (18, 37777880), (20, 34000092), (21, 32381040), (24, 28333410), (28, 24285780), (30, 22666728), (35, 19428624), (36, 18888940), (40, 17000046), (42, 16190520), (45, 15111152), (48, 14166705), (56, 12142890), (60, 11333364), (63, 10793680), (70, 9714312), (72, 9444470), (80, 8500023), (84, 8095260), (90, 7555576), (105, 6476208), (112, 6071445), (120, 5666682), (126, 5396840), (140, 4857156), (144, 4722235), (168, 4047630), (180, 3777788), (210, 3238104), (240, 2833341), (252, 2698420), (280, 2428578), (315, 2158736), (336, 2023815), (360, 1888894), (420, 1619052), (504, 1349210), (560, 1214289), (630, 1079368), (720, 944447), (840, 809526), (1008, 674605), (1260, 539684), (1680, 404763), (2520, 269842), (5040, 134921)]