2626440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 8078400

約数和(自身を除く): 5451960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 509, 516, 645, 860, 1018, 1032, 1290, 1527, 1720, 2036, 2545, 2580, 3054, 4072, 5090, 5160, 6108, 7635, 10180, 12216, 15270, 20360, 21887, 30540, 43774, 61080, 65661, 87548, 109435, 131322, 175096, 218870, 262644, 328305, 437740, 525288, 656610, 875480, 1313220, 2626440]

約数ペア:

[(1, 2626440), (2, 1313220), (3, 875480), (4, 656610), (5, 525288), (6, 437740), (8, 328305), (10, 262644), (12, 218870), (15, 175096), (20, 131322), (24, 109435), (30, 87548), (40, 65661), (43, 61080), (60, 43774), (86, 30540), (120, 21887), (129, 20360), (172, 15270), (215, 12216), (258, 10180), (344, 7635), (430, 6108), (509, 5160), (516, 5090), (645, 4072), (860, 3054), (1018, 2580), (1032, 2545), (1290, 2036), (1527, 1720)]