1546820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2081980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 89, 110, 158, 178, 220, 316, 356, 395, 445, 790, 869, 890, 979, 1580, 1738, 1780, 1958, 3476, 3916, 4345, 4895, 7031, 8690, 9790, 14062, 17380, 19580, 28124, 35155, 70310, 77341, 140620, 154682, 309364, 386705, 773410, 1546820]

約数ペア:

[(1, 1546820), (2, 773410), (4, 386705), (5, 309364), (10, 154682), (11, 140620), (20, 77341), (22, 70310), (44, 35155), (55, 28124), (79, 19580), (89, 17380), (110, 14062), (158, 9790), (178, 8690), (220, 7031), (316, 4895), (356, 4345), (395, 3916), (445, 3476), (790, 1958), (869, 1780), (890, 1738), (979, 1580)]