5680020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 16043328

約数和(自身を除く): 10363308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 691, 822, 1370, 1382, 1644, 2055, 2073, 2740, 2764, 3455, 4110, 4146, 6910, 8220, 8292, 10365, 13820, 20730, 41460, 94667, 189334, 284001, 378668, 473335, 568002, 946670, 1136004, 1420005, 1893340, 2840010, 5680020]

約数ペア:

[(1, 5680020), (2, 2840010), (3, 1893340), (4, 1420005), (5, 1136004), (6, 946670), (10, 568002), (12, 473335), (15, 378668), (20, 284001), (30, 189334), (60, 94667), (137, 41460), (274, 20730), (411, 13820), (548, 10365), (685, 8292), (691, 8220), (822, 6910), (1370, 4146), (1382, 4110), (1644, 3455), (2055, 2764), (2073, 2740)]