81827880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681899}}^1$

素因数の和:681913

約数の個数: 32

約数和(自身を含む): 245484000

約数和(自身を除く): 163656120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681899, 1363798, 2045697, 2727596, 3409495, 4091394, 5455192, 6818990, 8182788, 10228485, 13637980, 16365576, 20456970, 27275960, 40913940, 81827880]

約数ペア:

[(1, 81827880), (2, 40913940), (3, 27275960), (4, 20456970), (5, 16365576), (6, 13637980), (8, 10228485), (10, 8182788), (12, 6818990), (15, 5455192), (20, 4091394), (24, 3409495), (30, 2727596), (40, 2045697), (60, 1363798), (120, 681899)]