31145880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{937}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 93875040

約数和(自身を除く): 62729160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 937, 1108, 1385, 1662, 1874, 2216, 2770, 2811, 3324, 3748, 4155, 4685, 5540, 5622, 6648, 7496, 8310, 9370, 11080, 11244, 14055, 16620, 18740, 22488, 28110, 33240, 37480, 56220, 112440, 259549, 519098, 778647, 1038196, 1297745, 1557294, 2076392, 2595490, 3114588, 3893235, 5190980, 6229176, 7786470, 10381960, 15572940, 31145880]

約数ペア:

[(1, 31145880), (2, 15572940), (3, 10381960), (4, 7786470), (5, 6229176), (6, 5190980), (8, 3893235), (10, 3114588), (12, 2595490), (15, 2076392), (20, 1557294), (24, 1297745), (30, 1038196), (40, 778647), (60, 519098), (120, 259549), (277, 112440), (554, 56220), (831, 37480), (937, 33240), (1108, 28110), (1385, 22488), (1662, 18740), (1874, 16620), (2216, 14055), (2770, 11244), (2811, 11080), (3324, 9370), (3748, 8310), (4155, 7496), (4685, 6648), (5540, 5622)]