264935920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 639744768

約数和(自身を除く): 374808848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 317, 337, 496, 620, 634, 674, 1240, 1268, 1348, 1585, 1685, 2480, 2536, 2696, 3170, 3370, 5072, 5392, 6340, 6740, 9827, 10447, 12680, 13480, 19654, 20894, 25360, 26960, 39308, 41788, 49135, 52235, 78616, 83576, 98270, 104470, 106829, 157232, 167152, 196540, 208940, 213658, 393080, 417880, 427316, 534145, 786160, 835760, 854632, 1068290, 1709264, 2136580, 3311699, 4273160, 6623398, 8546320, 13246796, 16558495, 26493592, 33116990, 52987184, 66233980, 132467960, 264935920]

約数ペア:

[(1, 264935920), (2, 132467960), (4, 66233980), (5, 52987184), (8, 33116990), (10, 26493592), (16, 16558495), (20, 13246796), (31, 8546320), (40, 6623398), (62, 4273160), (80, 3311699), (124, 2136580), (155, 1709264), (248, 1068290), (310, 854632), (317, 835760), (337, 786160), (496, 534145), (620, 427316), (634, 417880), (674, 393080), (1240, 213658), (1268, 208940), (1348, 196540), (1585, 167152), (1685, 157232), (2480, 106829), (2536, 104470), (2696, 98270), (3170, 83576), (3370, 78616), (5072, 52235), (5392, 49135), (6340, 41788), (6740, 39308), (9827, 26960), (10447, 25360), (12680, 20894), (13480, 19654)]