31135742720

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{15289}}^1$

素因数の和:15390

約数の個数: 144

約数和(自身を含む): 78381922080

約数和(自身を除く): 47246179360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 128, 148, 160, 172, 185, 215, 256, 296, 320, 344, 370, 430, 592, 640, 688, 740, 860, 1184, 1280, 1376, 1480, 1591, 1720, 2368, 2752, 2960, 3182, 3440, 4736, 5504, 5920, 6364, 6880, 7955, 9472, 11008, 11840, 12728, 13760, 15289, 15910, 23680, 25456, 27520, 30578, 31820, 47360, 50912, 55040, 61156, 63640, 76445, 101824, 122312, 127280, 152890, 203648, 244624, 254560, 305780, 407296, 489248, 509120, 565693, 611560, 657427, 978496, 1018240, 1131386, 1223120, 1314854, 1956992, 2036480, 2262772, 2446240, 2629708, 2828465, 3287135, 3913984, 4525544, 4892480, 5259416, 5656930, 6574270, 9051088, 9784960, 10518832, 11313860, 13148540, 18102176, 19569920, 21037664, 22627720, 24324799, 26297080, 36204352, 42075328, 45255440, 48649598, 52594160, 72408704, 84150656, 90510880, 97299196, 105188320, 121623995, 144817408, 168301312, 181021760, 194598392, 210376640, 243247990, 362043520, 389196784, 420753280, 486495980, 724087040, 778393568, 841506560, 972991960, 1556787136, 1945983920, 3113574272, 3891967840, 6227148544, 7783935680, 15567871360, 31135742720]

約数ペア:

[(1, 31135742720), (2, 15567871360), (4, 7783935680), (5, 6227148544), (8, 3891967840), (10, 3113574272), (16, 1945983920), (20, 1556787136), (32, 972991960), (37, 841506560), (40, 778393568), (43, 724087040), (64, 486495980), (74, 420753280), (80, 389196784), (86, 362043520), (128, 243247990), (148, 210376640), (160, 194598392), (172, 181021760), (185, 168301312), (215, 144817408), (256, 121623995), (296, 105188320), (320, 97299196), (344, 90510880), (370, 84150656), (430, 72408704), (592, 52594160), (640, 48649598), (688, 45255440), (740, 42075328), (860, 36204352), (1184, 26297080), (1280, 24324799), (1376, 22627720), (1480, 21037664), (1591, 19569920), (1720, 18102176), (2368, 13148540), (2752, 11313860), (2960, 10518832), (3182, 9784960), (3440, 9051088), (4736, 6574270), (5504, 5656930), (5920, 5259416), (6364, 4892480), (6880, 4525544), (7955, 3913984), (9472, 3287135), (11008, 2828465), (11840, 2629708), (12728, 2446240), (13760, 2262772), (15289, 2036480), (15910, 1956992), (23680, 1314854), (25456, 1223120), (27520, 1131386), (30578, 1018240), (31820, 978496), (47360, 657427), (50912, 611560), (55040, 565693), (61156, 509120), (63640, 489248), (76445, 407296), (101824, 305780), (122312, 254560), (127280, 244624), (152890, 203648)]