264371560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 611367120

約数和(自身を除く): 346995560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 244, 305, 388, 485, 488, 610, 776, 970, 1117, 1220, 1940, 2234, 2440, 3880, 4468, 5585, 5917, 8936, 11170, 11834, 22340, 23668, 29585, 44680, 47336, 59170, 68137, 108349, 118340, 136274, 216698, 236680, 272548, 340685, 433396, 541745, 545096, 681370, 866792, 1083490, 1362740, 2166980, 2725480, 4333960, 6609289, 13218578, 26437156, 33046445, 52874312, 66092890, 132185780, 264371560]

約数ペア:

[(1, 264371560), (2, 132185780), (4, 66092890), (5, 52874312), (8, 33046445), (10, 26437156), (20, 13218578), (40, 6609289), (61, 4333960), (97, 2725480), (122, 2166980), (194, 1362740), (244, 1083490), (305, 866792), (388, 681370), (485, 545096), (488, 541745), (610, 433396), (776, 340685), (970, 272548), (1117, 236680), (1220, 216698), (1940, 136274), (2234, 118340), (2440, 108349), (3880, 68137), (4468, 59170), (5585, 47336), (5917, 44680), (8936, 29585), (11170, 23668), (11834, 22340)]