68917380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{164089}}^1$

素因数の和:164108

約数の個数: 48

約数和(自身を含む): 220536960

約数和(自身を除く): 151619580

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, 164089, 328178, 492267, 656356, 820445, 984534, 1148623, 1640890, 1969068, 2297246, 2461335, 3281780, 3445869, 4594492, 4922670, 5743115, 6891738, 9845340, 11486230, 13783476, 17229345, 22972460, 34458690, 68917380]

約数ペア:

[(1, 68917380), (2, 34458690), (3, 22972460), (4, 17229345), (5, 13783476), (6, 11486230), (7, 9845340), (10, 6891738), (12, 5743115), (14, 4922670), (15, 4594492), (20, 3445869), (21, 3281780), (28, 2461335), (30, 2297246), (35, 1969068), (42, 1640890), (60, 1148623), (70, 984534), (84, 820445), (105, 656356), (140, 492267), (210, 328178), (420, 164089)]