240721640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2803}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 575380800

約数和(自身を除く): 334659160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 1130, 2147, 2260, 2803, 4294, 4520, 5606, 8588, 10735, 11212, 14015, 17176, 21470, 22424, 28030, 42940, 53257, 56060, 85880, 106514, 112120, 213028, 266285, 316739, 426056, 532570, 633478, 1065140, 1266956, 1583695, 2130280, 2533912, 3167390, 6018041, 6334780, 12036082, 12669560, 24072164, 30090205, 48144328, 60180410, 120360820, 240721640]

約数ペア:

[(1, 240721640), (2, 120360820), (4, 60180410), (5, 48144328), (8, 30090205), (10, 24072164), (19, 12669560), (20, 12036082), (38, 6334780), (40, 6018041), (76, 3167390), (95, 2533912), (113, 2130280), (152, 1583695), (190, 1266956), (226, 1065140), (380, 633478), (452, 532570), (565, 426056), (760, 316739), (904, 266285), (1130, 213028), (2147, 112120), (2260, 106514), (2803, 85880), (4294, 56060), (4520, 53257), (5606, 42940), (8588, 28030), (10735, 22424), (11212, 21470), (14015, 17176)]