78814980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437861}}^1$

素因数の和:437876

約数の個数: 36

約数和(自身を含む): 239072652

約数和(自身を除く): 160257672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437861, 875722, 1313583, 1751444, 2189305, 2627166, 3940749, 4378610, 5254332, 6567915, 7881498, 8757220, 13135830, 15762996, 19703745, 26271660, 39407490, 78814980]

約数ペア:

[(1, 78814980), (2, 39407490), (3, 26271660), (4, 19703745), (5, 15762996), (6, 13135830), (9, 8757220), (10, 7881498), (12, 6567915), (15, 5254332), (18, 4378610), (20, 3940749), (30, 2627166), (36, 2189305), (45, 1751444), (60, 1313583), (90, 875722), (180, 437861)]