123347280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73421}}^1$

素因数の和:73444

約数の個数: 80

約数和(自身を含む): 437007744

約数和(自身を除く): 313660464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 73421, 146842, 220263, 293684, 367105, 440526, 513947, 587368, 734210, 881052, 1027894, 1101315, 1174736, 1468420, 1541841, 1762104, 2055788, 2202630, 2569735, 2936840, 3083682, 3524208, 4111576, 4405260, 5139470, 5873680, 6167364, 7709205, 8223152, 8810520, 10278940, 12334728, 15418410, 17621040, 20557880, 24669456, 30836820, 41115760, 61673640, 123347280]

約数ペア:

[(1, 123347280), (2, 61673640), (3, 41115760), (4, 30836820), (5, 24669456), (6, 20557880), (7, 17621040), (8, 15418410), (10, 12334728), (12, 10278940), (14, 8810520), (15, 8223152), (16, 7709205), (20, 6167364), (21, 5873680), (24, 5139470), (28, 4405260), (30, 4111576), (35, 3524208), (40, 3083682), (42, 2936840), (48, 2569735), (56, 2202630), (60, 2055788), (70, 1762104), (80, 1541841), (84, 1468420), (105, 1174736), (112, 1101315), (120, 1027894), (140, 881052), (168, 734210), (210, 587368), (240, 513947), (280, 440526), (336, 367105), (420, 293684), (560, 220263), (840, 146842), (1680, 73421)]