30416820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72421}}^1$

素因数の和:72440

約数の個数: 48

約数和(自身を含む): 97335168

約数和(自身を除く): 66918348

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, 72421, 144842, 217263, 289684, 362105, 434526, 506947, 724210, 869052, 1013894, 1086315, 1448420, 1520841, 2027788, 2172630, 2534735, 3041682, 4345260, 5069470, 6083364, 7604205, 10138940, 15208410, 30416820]

約数ペア:

[(1, 30416820), (2, 15208410), (3, 10138940), (4, 7604205), (5, 6083364), (6, 5069470), (7, 4345260), (10, 3041682), (12, 2534735), (14, 2172630), (15, 2027788), (20, 1520841), (21, 1448420), (28, 1086315), (30, 1013894), (35, 869052), (42, 724210), (60, 506947), (70, 434526), (84, 362105), (105, 289684), (140, 217263), (210, 144842), (420, 72421)]