28385160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5501}}^1$

素因数の和:5558

約数の個数: 64

約数和(自身を含む): 87151680

約数和(自身を除く): 58766520

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, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 55010, 66012, 82515, 110020, 132024, 165030, 220040, 236543, 330060, 473086, 660120, 709629, 946172, 1182715, 1419258, 1892344, 2365430, 2838516, 3548145, 4730860, 5677032, 7096290, 9461720, 14192580, 28385160]

約数ペア:

[(1, 28385160), (2, 14192580), (3, 9461720), (4, 7096290), (5, 5677032), (6, 4730860), (8, 3548145), (10, 2838516), (12, 2365430), (15, 1892344), (20, 1419258), (24, 1182715), (30, 946172), (40, 709629), (43, 660120), (60, 473086), (86, 330060), (120, 236543), (129, 220040), (172, 165030), (215, 132024), (258, 110020), (344, 82515), (430, 66012), (516, 55010), (645, 44008), (860, 33006), (1032, 27505), (1290, 22004), (1720, 16503), (2580, 11002), (5160, 5501)]