31561680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131507}}^1$

素因数の和:131523

約数の個数: 40

約数和(自身を含む): 97841952

約数和(自身を除く): 66280272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131507, 263014, 394521, 526028, 657535, 789042, 1052056, 1315070, 1578084, 1972605, 2104112, 2630140, 3156168, 3945210, 5260280, 6312336, 7890420, 10520560, 15780840, 31561680]

約数ペア:

[(1, 31561680), (2, 15780840), (3, 10520560), (4, 7890420), (5, 6312336), (6, 5260280), (8, 3945210), (10, 3156168), (12, 2630140), (15, 2104112), (16, 1972605), (20, 1578084), (24, 1315070), (30, 1052056), (40, 789042), (48, 657535), (60, 526028), (80, 394521), (120, 263014), (240, 131507)]