91768960

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 220711680

約数和(自身を除く): 128942720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 643, 892, 1115, 1286, 1784, 2230, 2572, 3215, 3568, 4460, 5144, 6430, 7136, 8920, 10288, 12860, 14272, 17840, 20576, 25720, 28544, 35680, 41152, 51440, 71360, 82304, 102880, 142720, 143389, 205760, 286778, 411520, 573556, 716945, 1147112, 1433890, 2294224, 2867780, 4588448, 5735560, 9176896, 11471120, 18353792, 22942240, 45884480, 91768960]

約数ペア:

[(1, 91768960), (2, 45884480), (4, 22942240), (5, 18353792), (8, 11471120), (10, 9176896), (16, 5735560), (20, 4588448), (32, 2867780), (40, 2294224), (64, 1433890), (80, 1147112), (128, 716945), (160, 573556), (223, 411520), (320, 286778), (446, 205760), (640, 143389), (643, 142720), (892, 102880), (1115, 82304), (1286, 71360), (1784, 51440), (2230, 41152), (2572, 35680), (3215, 28544), (3568, 25720), (4460, 20576), (5144, 17840), (6430, 14272), (7136, 12860), (8920, 10288)]