131860360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2558

約数の個数: 64

約数和(自身を含む): 313505280

約数和(自身を除く): 181644920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2473, 2666, 4946, 5332, 6665, 9892, 10664, 12365, 13330, 19784, 24730, 26660, 49460, 53320, 76663, 98920, 106339, 153326, 212678, 306652, 383315, 425356, 531695, 613304, 766630, 850712, 1063390, 1533260, 2126780, 3066520, 3296509, 4253560, 6593018, 13186036, 16482545, 26372072, 32965090, 65930180, 131860360]

約数ペア:

[(1, 131860360), (2, 65930180), (4, 32965090), (5, 26372072), (8, 16482545), (10, 13186036), (20, 6593018), (31, 4253560), (40, 3296509), (43, 3066520), (62, 2126780), (86, 1533260), (124, 1063390), (155, 850712), (172, 766630), (215, 613304), (248, 531695), (310, 425356), (344, 383315), (430, 306652), (620, 212678), (860, 153326), (1240, 106339), (1333, 98920), (1720, 76663), (2473, 53320), (2666, 49460), (4946, 26660), (5332, 24730), (6665, 19784), (9892, 13330), (10664, 12365)]