12751920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 43524000

約数和(自身を除く): 30772080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 199, 240, 267, 356, 360, 398, 445, 534, 597, 712, 720, 796, 801, 890, 995, 1068, 1194, 1335, 1424, 1592, 1602, 1780, 1791, 1990, 2136, 2388, 2670, 2985, 3184, 3204, 3560, 3582, 3980, 4005, 4272, 4776, 5340, 5970, 6408, 7120, 7164, 7960, 8010, 8955, 9552, 10680, 11940, 12816, 14328, 15920, 16020, 17711, 17910, 21360, 23880, 28656, 32040, 35422, 35820, 47760, 53133, 64080, 70844, 71640, 88555, 106266, 141688, 143280, 159399, 177110, 212532, 265665, 283376, 318798, 354220, 425064, 531330, 637596, 708440, 796995, 850128, 1062660, 1275192, 1416880, 1593990, 2125320, 2550384, 3187980, 4250640, 6375960, 12751920]

約数ペア:

[(1, 12751920), (2, 6375960), (3, 4250640), (4, 3187980), (5, 2550384), (6, 2125320), (8, 1593990), (9, 1416880), (10, 1275192), (12, 1062660), (15, 850128), (16, 796995), (18, 708440), (20, 637596), (24, 531330), (30, 425064), (36, 354220), (40, 318798), (45, 283376), (48, 265665), (60, 212532), (72, 177110), (80, 159399), (89, 143280), (90, 141688), (120, 106266), (144, 88555), (178, 71640), (180, 70844), (199, 64080), (240, 53133), (267, 47760), (356, 35820), (360, 35422), (398, 32040), (445, 28656), (534, 23880), (597, 21360), (712, 17910), (720, 17711), (796, 16020), (801, 15920), (890, 14328), (995, 12816), (1068, 11940), (1194, 10680), (1335, 9552), (1424, 8955), (1592, 8010), (1602, 7960), (1780, 7164), (1791, 7120), (1990, 6408), (2136, 5970), (2388, 5340), (2670, 4776), (2985, 4272), (3184, 4005), (3204, 3980), (3560, 3582)]