68437800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 232200540

約数和(自身を除く): 163762740

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, 90, 100, 120, 150, 180, 193, 197, 200, 225, 300, 360, 386, 394, 450, 579, 591, 600, 772, 788, 900, 965, 985, 1158, 1182, 1544, 1576, 1737, 1773, 1800, 1930, 1970, 2316, 2364, 2895, 2955, 3474, 3546, 3860, 3940, 4632, 4728, 4825, 4925, 5790, 5910, 6948, 7092, 7720, 7880, 8685, 8865, 9650, 9850, 11580, 11820, 13896, 14184, 14475, 14775, 17370, 17730, 19300, 19700, 23160, 23640, 28950, 29550, 34740, 35460, 38021, 38600, 39400, 43425, 44325, 57900, 59100, 69480, 70920, 76042, 86850, 88650, 114063, 115800, 118200, 152084, 173700, 177300, 190105, 228126, 304168, 342189, 347400, 354600, 380210, 456252, 570315, 684378, 760420, 912504, 950525, 1140630, 1368756, 1520840, 1710945, 1901050, 2281260, 2737512, 2851575, 3421890, 3802100, 4562520, 5703150, 6843780, 7604200, 8554725, 11406300, 13687560, 17109450, 22812600, 34218900, 68437800]

約数ペア:

[(1, 68437800), (2, 34218900), (3, 22812600), (4, 17109450), (5, 13687560), (6, 11406300), (8, 8554725), (9, 7604200), (10, 6843780), (12, 5703150), (15, 4562520), (18, 3802100), (20, 3421890), (24, 2851575), (25, 2737512), (30, 2281260), (36, 1901050), (40, 1710945), (45, 1520840), (50, 1368756), (60, 1140630), (72, 950525), (75, 912504), (90, 760420), (100, 684378), (120, 570315), (150, 456252), (180, 380210), (193, 354600), (197, 347400), (200, 342189), (225, 304168), (300, 228126), (360, 190105), (386, 177300), (394, 173700), (450, 152084), (579, 118200), (591, 115800), (600, 114063), (772, 88650), (788, 86850), (900, 76042), (965, 70920), (985, 69480), (1158, 59100), (1182, 57900), (1544, 44325), (1576, 43425), (1737, 39400), (1773, 38600), (1800, 38021), (1930, 35460), (1970, 34740), (2316, 29550), (2364, 28950), (2895, 23640), (2955, 23160), (3474, 19700), (3546, 19300), (3860, 17730), (3940, 17370), (4632, 14775), (4728, 14475), (4825, 14184), (4925, 13896), (5790, 11820), (5910, 11580), (6948, 9850), (7092, 9650), (7720, 8865), (7880, 8685)]