16675620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21404

約数の個数: 48

約数和(自身を含む): 50285760

約数和(自身を除く): 33610140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21379, 42758, 64137, 85516, 106895, 128274, 213790, 256548, 277927, 320685, 427580, 555854, 641370, 833781, 1111708, 1282740, 1389635, 1667562, 2779270, 3335124, 4168905, 5558540, 8337810, 16675620]

約数ペア:

[(1, 16675620), (2, 8337810), (3, 5558540), (4, 4168905), (5, 3335124), (6, 2779270), (10, 1667562), (12, 1389635), (13, 1282740), (15, 1111708), (20, 833781), (26, 641370), (30, 555854), (39, 427580), (52, 320685), (60, 277927), (65, 256548), (78, 213790), (130, 128274), (156, 106895), (195, 85516), (260, 64137), (390, 42758), (780, 21379)]