25503840

素因数分解:

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

素因数の和:309

約数の個数: 144

約数和(自身を含む): 88452000

約数和(自身を除く): 62948160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 199, 240, 267, 288, 356, 360, 398, 445, 480, 534, 597, 712, 720, 796, 801, 890, 995, 1068, 1194, 1335, 1424, 1440, 1592, 1602, 1780, 1791, 1990, 2136, 2388, 2670, 2848, 2985, 3184, 3204, 3560, 3582, 3980, 4005, 4272, 4776, 5340, 5970, 6368, 6408, 7120, 7164, 7960, 8010, 8544, 8955, 9552, 10680, 11940, 12816, 14240, 14328, 15920, 16020, 17711, 17910, 19104, 21360, 23880, 25632, 28656, 31840, 32040, 35422, 35820, 42720, 47760, 53133, 57312, 64080, 70844, 71640, 88555, 95520, 106266, 128160, 141688, 143280, 159399, 177110, 212532, 265665, 283376, 286560, 318798, 354220, 425064, 531330, 566752, 637596, 708440, 796995, 850128, 1062660, 1275192, 1416880, 1593990, 1700256, 2125320, 2550384, 2833760, 3187980, 4250640, 5100768, 6375960, 8501280, 12751920, 25503840]

約数ペア:

[(1, 25503840), (2, 12751920), (3, 8501280), (4, 6375960), (5, 5100768), (6, 4250640), (8, 3187980), (9, 2833760), (10, 2550384), (12, 2125320), (15, 1700256), (16, 1593990), (18, 1416880), (20, 1275192), (24, 1062660), (30, 850128), (32, 796995), (36, 708440), (40, 637596), (45, 566752), (48, 531330), (60, 425064), (72, 354220), (80, 318798), (89, 286560), (90, 283376), (96, 265665), (120, 212532), (144, 177110), (160, 159399), (178, 143280), (180, 141688), (199, 128160), (240, 106266), (267, 95520), (288, 88555), (356, 71640), (360, 70844), (398, 64080), (445, 57312), (480, 53133), (534, 47760), (597, 42720), (712, 35820), (720, 35422), (796, 32040), (801, 31840), (890, 28656), (995, 25632), (1068, 23880), (1194, 21360), (1335, 19104), (1424, 17910), (1440, 17711), (1592, 16020), (1602, 15920), (1780, 14328), (1791, 14240), (1990, 12816), (2136, 11940), (2388, 10680), (2670, 9552), (2848, 8955), (2985, 8544), (3184, 8010), (3204, 7960), (3560, 7164), (3582, 7120), (3980, 6408), (4005, 6368), (4272, 5970), (4776, 5340)]