68789840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122839}}^1$

素因数の和:122859

約数の個数: 40

約数和(自身を含む): 182785920

約数和(自身を除く): 113996080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122839, 245678, 491356, 614195, 859873, 982712, 1228390, 1719746, 1965424, 2456780, 3439492, 4299365, 4913560, 6878984, 8598730, 9827120, 13757968, 17197460, 34394920, 68789840]

約数ペア:

[(1, 68789840), (2, 34394920), (4, 17197460), (5, 13757968), (7, 9827120), (8, 8598730), (10, 6878984), (14, 4913560), (16, 4299365), (20, 3439492), (28, 2456780), (35, 1965424), (40, 1719746), (56, 1228390), (70, 982712), (80, 859873), (112, 614195), (140, 491356), (280, 245678), (560, 122839)]