78605880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1979}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 236649600

約数和(自身を除く): 158043720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1979, 1986, 2648, 3310, 3958, 3972, 4965, 5937, 6620, 7916, 7944, 9895, 9930, 11874, 13240, 15832, 19790, 19860, 23748, 29685, 39580, 39720, 47496, 59370, 79160, 118740, 237480, 655049, 1310098, 1965147, 2620196, 3275245, 3930294, 5240392, 6550490, 7860588, 9825735, 13100980, 15721176, 19651470, 26201960, 39302940, 78605880]

約数ペア:

[(1, 78605880), (2, 39302940), (3, 26201960), (4, 19651470), (5, 15721176), (6, 13100980), (8, 9825735), (10, 7860588), (12, 6550490), (15, 5240392), (20, 3930294), (24, 3275245), (30, 2620196), (40, 1965147), (60, 1310098), (120, 655049), (331, 237480), (662, 118740), (993, 79160), (1324, 59370), (1655, 47496), (1979, 39720), (1986, 39580), (2648, 29685), (3310, 23748), (3958, 19860), (3972, 19790), (4965, 15832), (5937, 13240), (6620, 11874), (7916, 9930), (7944, 9895)]