68721870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{327247}}^1$

素因数の和:327264

約数の個数: 32

約数和(自身を含む): 188494848

約数和(自身を除く): 119772978

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 327247, 654494, 981741, 1636235, 1963482, 2290729, 3272470, 4581458, 4908705, 6872187, 9817410, 11453645, 13744374, 22907290, 34360935, 68721870]

約数ペア:

[(1, 68721870), (2, 34360935), (3, 22907290), (5, 13744374), (6, 11453645), (7, 9817410), (10, 6872187), (14, 4908705), (15, 4581458), (21, 3272470), (30, 2290729), (35, 1963482), (42, 1636235), (70, 981741), (105, 654494), (210, 327247)]