648120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 2125440

約数和(自身を除く): 1477320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 491, 660, 982, 1320, 1473, 1964, 2455, 2946, 3928, 4910, 5401, 5892, 7365, 9820, 10802, 11784, 14730, 16203, 19640, 21604, 27005, 29460, 32406, 43208, 54010, 58920, 64812, 81015, 108020, 129624, 162030, 216040, 324060, 648120]

約数ペア:

[(1, 648120), (2, 324060), (3, 216040), (4, 162030), (5, 129624), (6, 108020), (8, 81015), (10, 64812), (11, 58920), (12, 54010), (15, 43208), (20, 32406), (22, 29460), (24, 27005), (30, 21604), (33, 19640), (40, 16203), (44, 14730), (55, 11784), (60, 10802), (66, 9820), (88, 7365), (110, 5892), (120, 5401), (132, 4910), (165, 3928), (220, 2946), (264, 2455), (330, 1964), (440, 1473), (491, 1320), (660, 982)]