78446640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1051}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 244198656

約数和(自身を除く): 165752016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 622, 933, 1051, 1244, 1555, 1866, 2102, 2488, 3110, 3153, 3732, 4204, 4665, 4976, 5255, 6220, 6306, 7464, 8408, 9330, 10510, 12440, 12612, 14928, 15765, 16816, 18660, 21020, 24880, 25224, 31530, 37320, 42040, 50448, 63060, 74640, 84080, 126120, 252240, 326861, 653722, 980583, 1307444, 1634305, 1961166, 2614888, 3268610, 3922332, 4902915, 5229776, 6537220, 7844664, 9805830, 13074440, 15689328, 19611660, 26148880, 39223320, 78446640]

約数ペア:

[(1, 78446640), (2, 39223320), (3, 26148880), (4, 19611660), (5, 15689328), (6, 13074440), (8, 9805830), (10, 7844664), (12, 6537220), (15, 5229776), (16, 4902915), (20, 3922332), (24, 3268610), (30, 2614888), (40, 1961166), (48, 1634305), (60, 1307444), (80, 980583), (120, 653722), (240, 326861), (311, 252240), (622, 126120), (933, 84080), (1051, 74640), (1244, 63060), (1555, 50448), (1866, 42040), (2102, 37320), (2488, 31530), (3110, 25224), (3153, 24880), (3732, 21020), (4204, 18660), (4665, 16816), (4976, 15765), (5255, 14928), (6220, 12612), (6306, 12440), (7464, 10510), (8408, 9330)]