28580280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 90780480

約数和(自身を除く): 62200200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 60, 74, 82, 111, 120, 123, 148, 157, 164, 185, 205, 222, 246, 296, 314, 328, 370, 410, 444, 471, 492, 555, 615, 628, 740, 785, 820, 888, 942, 984, 1110, 1230, 1256, 1480, 1517, 1570, 1640, 1884, 2220, 2355, 2460, 3034, 3140, 3768, 4440, 4551, 4710, 4920, 5809, 6068, 6280, 6437, 7585, 9102, 9420, 11618, 12136, 12874, 15170, 17427, 18204, 18840, 19311, 22755, 23236, 25748, 29045, 30340, 32185, 34854, 36408, 38622, 45510, 46472, 51496, 58090, 60680, 64370, 69708, 77244, 87135, 91020, 96555, 116180, 128740, 139416, 154488, 174270, 182040, 193110, 232360, 238169, 257480, 348540, 386220, 476338, 697080, 714507, 772440, 952676, 1190845, 1429014, 1905352, 2381690, 2858028, 3572535, 4763380, 5716056, 7145070, 9526760, 14290140, 28580280]

約数ペア:

[(1, 28580280), (2, 14290140), (3, 9526760), (4, 7145070), (5, 5716056), (6, 4763380), (8, 3572535), (10, 2858028), (12, 2381690), (15, 1905352), (20, 1429014), (24, 1190845), (30, 952676), (37, 772440), (40, 714507), (41, 697080), (60, 476338), (74, 386220), (82, 348540), (111, 257480), (120, 238169), (123, 232360), (148, 193110), (157, 182040), (164, 174270), (185, 154488), (205, 139416), (222, 128740), (246, 116180), (296, 96555), (314, 91020), (328, 87135), (370, 77244), (410, 69708), (444, 64370), (471, 60680), (492, 58090), (555, 51496), (615, 46472), (628, 45510), (740, 38622), (785, 36408), (820, 34854), (888, 32185), (942, 30340), (984, 29045), (1110, 25748), (1230, 23236), (1256, 22755), (1480, 19311), (1517, 18840), (1570, 18204), (1640, 17427), (1884, 15170), (2220, 12874), (2355, 12136), (2460, 11618), (3034, 9420), (3140, 9102), (3768, 7585), (4440, 6437), (4551, 6280), (4710, 6068), (4920, 5809)]