81394680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678289}}^1$

素因数の和:678303

約数の個数: 32

約数和(自身を含む): 244184400

約数和(自身を除く): 162789720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678289, 1356578, 2034867, 2713156, 3391445, 4069734, 5426312, 6782890, 8139468, 10174335, 13565780, 16278936, 20348670, 27131560, 40697340, 81394680]

約数ペア:

[(1, 81394680), (2, 40697340), (3, 27131560), (4, 20348670), (5, 16278936), (6, 13565780), (8, 10174335), (10, 8139468), (12, 6782890), (15, 5426312), (20, 4069734), (24, 3391445), (30, 2713156), (40, 2034867), (60, 1356578), (120, 678289)]