68557560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1637}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 206388000

約数和(自身を除く): 137830440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1637, 1745, 2094, 2792, 3274, 3490, 4188, 4911, 5235, 6548, 6980, 8185, 8376, 9822, 10470, 13096, 13960, 16370, 19644, 20940, 24555, 32740, 39288, 41880, 49110, 65480, 98220, 196440, 571313, 1142626, 1713939, 2285252, 2856565, 3427878, 4570504, 5713130, 6855756, 8569695, 11426260, 13711512, 17139390, 22852520, 34278780, 68557560]

約数ペア:

[(1, 68557560), (2, 34278780), (3, 22852520), (4, 17139390), (5, 13711512), (6, 11426260), (8, 8569695), (10, 6855756), (12, 5713130), (15, 4570504), (20, 3427878), (24, 2856565), (30, 2285252), (40, 1713939), (60, 1142626), (120, 571313), (349, 196440), (698, 98220), (1047, 65480), (1396, 49110), (1637, 41880), (1745, 39288), (2094, 32740), (2792, 24555), (3274, 20940), (3490, 19644), (4188, 16370), (4911, 13960), (5235, 13096), (6548, 10470), (6980, 9822), (8185, 8376)]