31879800

素因数分解:

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

素因数の和:310

約数の個数: 144

約数和(自身を含む): 108810000

約数和(自身を除く): 76930200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 89, 90, 100, 120, 150, 178, 180, 199, 200, 225, 267, 300, 356, 360, 398, 445, 450, 534, 597, 600, 712, 796, 801, 890, 900, 995, 1068, 1194, 1335, 1592, 1602, 1780, 1791, 1800, 1990, 2136, 2225, 2388, 2670, 2985, 3204, 3560, 3582, 3980, 4005, 4450, 4776, 4975, 5340, 5970, 6408, 6675, 7164, 7960, 8010, 8900, 8955, 9950, 10680, 11940, 13350, 14328, 14925, 16020, 17711, 17800, 17910, 19900, 20025, 23880, 26700, 29850, 32040, 35422, 35820, 39800, 40050, 44775, 53133, 53400, 59700, 70844, 71640, 80100, 88555, 89550, 106266, 119400, 141688, 159399, 160200, 177110, 179100, 212532, 265665, 318798, 354220, 358200, 425064, 442775, 531330, 637596, 708440, 796995, 885550, 1062660, 1275192, 1328325, 1593990, 1771100, 2125320, 2656650, 3187980, 3542200, 3984975, 5313300, 6375960, 7969950, 10626600, 15939900, 31879800]

約数ペア:

[(1, 31879800), (2, 15939900), (3, 10626600), (4, 7969950), (5, 6375960), (6, 5313300), (8, 3984975), (9, 3542200), (10, 3187980), (12, 2656650), (15, 2125320), (18, 1771100), (20, 1593990), (24, 1328325), (25, 1275192), (30, 1062660), (36, 885550), (40, 796995), (45, 708440), (50, 637596), (60, 531330), (72, 442775), (75, 425064), (89, 358200), (90, 354220), (100, 318798), (120, 265665), (150, 212532), (178, 179100), (180, 177110), (199, 160200), (200, 159399), (225, 141688), (267, 119400), (300, 106266), (356, 89550), (360, 88555), (398, 80100), (445, 71640), (450, 70844), (534, 59700), (597, 53400), (600, 53133), (712, 44775), (796, 40050), (801, 39800), (890, 35820), (900, 35422), (995, 32040), (1068, 29850), (1194, 26700), (1335, 23880), (1592, 20025), (1602, 19900), (1780, 17910), (1791, 17800), (1800, 17711), (1990, 16020), (2136, 14925), (2225, 14328), (2388, 13350), (2670, 11940), (2985, 10680), (3204, 9950), (3560, 8955), (3582, 8900), (3980, 8010), (4005, 7960), (4450, 7164), (4776, 6675), (4975, 6408), (5340, 5970)]