78922980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{947}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 240170112

約数和(自身を除く): 161247132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 463, 926, 947, 1389, 1852, 1894, 2315, 2778, 2841, 3788, 4167, 4630, 4735, 5556, 5682, 6945, 8334, 8523, 9260, 9470, 11364, 13890, 14205, 16668, 17046, 18940, 20835, 27780, 28410, 34092, 41670, 42615, 56820, 83340, 85230, 170460, 438461, 876922, 1315383, 1753844, 2192305, 2630766, 3946149, 4384610, 5261532, 6576915, 7892298, 8769220, 13153830, 15784596, 19730745, 26307660, 39461490, 78922980]

約数ペア:

[(1, 78922980), (2, 39461490), (3, 26307660), (4, 19730745), (5, 15784596), (6, 13153830), (9, 8769220), (10, 7892298), (12, 6576915), (15, 5261532), (18, 4384610), (20, 3946149), (30, 2630766), (36, 2192305), (45, 1753844), (60, 1315383), (90, 876922), (180, 438461), (463, 170460), (926, 85230), (947, 83340), (1389, 56820), (1852, 42615), (1894, 41670), (2315, 34092), (2778, 28410), (2841, 27780), (3788, 20835), (4167, 18940), (4630, 17046), (4735, 16668), (5556, 14205), (5682, 13890), (6945, 11364), (8334, 9470), (8523, 9260)]