78083920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1172

約数の個数: 80

約数和(自身を含む): 195344640

約数和(自身を除く): 117260720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1093, 1520, 1786, 1880, 2186, 3572, 3760, 4372, 4465, 5465, 7144, 8744, 8930, 10930, 14288, 17488, 17860, 20767, 21860, 35720, 41534, 43720, 51371, 71440, 83068, 87440, 102742, 103835, 166136, 205484, 207670, 256855, 332272, 410968, 415340, 513710, 821936, 830680, 976049, 1027420, 1661360, 1952098, 2054840, 3904196, 4109680, 4880245, 7808392, 9760490, 15616784, 19520980, 39041960, 78083920]

約数ペア:

[(1, 78083920), (2, 39041960), (4, 19520980), (5, 15616784), (8, 9760490), (10, 7808392), (16, 4880245), (19, 4109680), (20, 3904196), (38, 2054840), (40, 1952098), (47, 1661360), (76, 1027420), (80, 976049), (94, 830680), (95, 821936), (152, 513710), (188, 415340), (190, 410968), (235, 332272), (304, 256855), (376, 207670), (380, 205484), (470, 166136), (752, 103835), (760, 102742), (893, 87440), (940, 83068), (1093, 71440), (1520, 51371), (1786, 43720), (1880, 41534), (2186, 35720), (3572, 21860), (3760, 20767), (4372, 17860), (4465, 17488), (5465, 14288), (7144, 10930), (8744, 8930)]