78878080

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3387

約数の個数: 64

約数和(自身を含む): 193722480

約数和(自身を除く): 114844400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 3331, 4736, 5920, 6662, 11840, 13324, 16655, 23680, 26648, 33310, 53296, 66620, 106592, 123247, 133240, 213184, 246494, 266480, 426368, 492988, 532960, 616235, 985976, 1065920, 1232470, 1971952, 2131840, 2464940, 3943904, 4929880, 7887808, 9859760, 15775616, 19719520, 39439040, 78878080]

約数ペア:

[(1, 78878080), (2, 39439040), (4, 19719520), (5, 15775616), (8, 9859760), (10, 7887808), (16, 4929880), (20, 3943904), (32, 2464940), (37, 2131840), (40, 1971952), (64, 1232470), (74, 1065920), (80, 985976), (128, 616235), (148, 532960), (160, 492988), (185, 426368), (296, 266480), (320, 246494), (370, 213184), (592, 133240), (640, 123247), (740, 106592), (1184, 66620), (1480, 53296), (2368, 33310), (2960, 26648), (3331, 23680), (4736, 16655), (5920, 13324), (6662, 11840)]