19655760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81899}}^1$

素因数の和:81915

約数の個数: 40

約数和(自身を含む): 60933600

約数和(自身を除く): 41277840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81899, 163798, 245697, 327596, 409495, 491394, 655192, 818990, 982788, 1228485, 1310384, 1637980, 1965576, 2456970, 3275960, 3931152, 4913940, 6551920, 9827880, 19655760]

約数ペア:

[(1, 19655760), (2, 9827880), (3, 6551920), (4, 4913940), (5, 3931152), (6, 3275960), (8, 2456970), (10, 1965576), (12, 1637980), (15, 1310384), (16, 1228485), (20, 982788), (24, 818990), (30, 655192), (40, 491394), (48, 409495), (60, 327596), (80, 245697), (120, 163798), (240, 81899)]