42215680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 113319360

約数和(自身を除く): 71103680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 59, 64, 65, 80, 86, 104, 118, 128, 130, 160, 172, 208, 215, 236, 256, 260, 295, 320, 344, 416, 430, 472, 520, 559, 590, 640, 688, 767, 832, 860, 944, 1040, 1118, 1180, 1280, 1376, 1534, 1664, 1720, 1888, 2080, 2236, 2360, 2537, 2752, 2795, 3068, 3328, 3440, 3776, 3835, 4160, 4472, 4720, 5074, 5504, 5590, 6136, 6880, 7552, 7670, 8320, 8944, 9440, 10148, 11008, 11180, 12272, 12685, 13760, 15104, 15340, 16640, 17888, 18880, 20296, 22360, 24544, 25370, 27520, 30680, 32981, 35776, 37760, 40592, 44720, 49088, 50740, 55040, 61360, 65962, 71552, 75520, 81184, 89440, 98176, 101480, 122720, 131924, 143104, 162368, 164905, 178880, 196352, 202960, 245440, 263848, 324736, 329810, 357760, 405920, 490880, 527696, 649472, 659620, 715520, 811840, 981760, 1055392, 1319240, 1623680, 2110784, 2638480, 3247360, 4221568, 5276960, 8443136, 10553920, 21107840, 42215680]

約数ペア:

[(1, 42215680), (2, 21107840), (4, 10553920), (5, 8443136), (8, 5276960), (10, 4221568), (13, 3247360), (16, 2638480), (20, 2110784), (26, 1623680), (32, 1319240), (40, 1055392), (43, 981760), (52, 811840), (59, 715520), (64, 659620), (65, 649472), (80, 527696), (86, 490880), (104, 405920), (118, 357760), (128, 329810), (130, 324736), (160, 263848), (172, 245440), (208, 202960), (215, 196352), (236, 178880), (256, 164905), (260, 162368), (295, 143104), (320, 131924), (344, 122720), (416, 101480), (430, 98176), (472, 89440), (520, 81184), (559, 75520), (590, 71552), (640, 65962), (688, 61360), (767, 55040), (832, 50740), (860, 49088), (944, 44720), (1040, 40592), (1118, 37760), (1180, 35776), (1280, 32981), (1376, 30680), (1534, 27520), (1664, 25370), (1720, 24544), (1888, 22360), (2080, 20296), (2236, 18880), (2360, 17888), (2537, 16640), (2752, 15340), (2795, 15104), (3068, 13760), (3328, 12685), (3440, 12272), (3776, 11180), (3835, 11008), (4160, 10148), (4472, 9440), (4720, 8944), (5074, 8320), (5504, 7670), (5590, 7552), (6136, 6880)]