30836820

素因数分解:

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

素因数の和:73440

約数の個数: 48

約数和(自身を含む): 98679168

約数和(自身を除く): 67842348

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, 73421, 146842, 220263, 293684, 367105, 440526, 513947, 734210, 881052, 1027894, 1101315, 1468420, 1541841, 2055788, 2202630, 2569735, 3083682, 4405260, 5139470, 6167364, 7709205, 10278940, 15418410, 30836820]

約数ペア:

[(1, 30836820), (2, 15418410), (3, 10278940), (4, 7709205), (5, 6167364), (6, 5139470), (7, 4405260), (10, 3083682), (12, 2569735), (14, 2202630), (15, 2055788), (20, 1541841), (21, 1468420), (28, 1101315), (30, 1027894), (35, 881052), (42, 734210), (60, 513947), (70, 440526), (84, 367105), (105, 293684), (140, 220263), (210, 146842), (420, 73421)]