31661760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 112654080

約数和(自身を除く): 80992320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 59, 60, 64, 65, 78, 80, 86, 96, 104, 118, 120, 129, 130, 156, 160, 172, 177, 192, 195, 208, 215, 236, 240, 258, 260, 295, 312, 320, 344, 354, 390, 416, 430, 472, 480, 516, 520, 559, 590, 624, 645, 688, 708, 767, 780, 832, 860, 885, 944, 960, 1032, 1040, 1118, 1180, 1248, 1290, 1376, 1416, 1534, 1560, 1677, 1720, 1770, 1888, 2064, 2080, 2236, 2301, 2360, 2496, 2537, 2580, 2752, 2795, 2832, 3068, 3120, 3354, 3440, 3540, 3776, 3835, 4128, 4160, 4472, 4602, 4720, 5074, 5160, 5590, 5664, 6136, 6240, 6708, 6880, 7080, 7611, 7670, 8256, 8385, 8944, 9204, 9440, 10148, 10320, 11180, 11328, 11505, 12272, 12480, 12685, 13416, 13760, 14160, 15222, 15340, 16770, 17888, 18408, 18880, 20296, 20640, 22360, 23010, 24544, 25370, 26832, 28320, 30444, 30680, 32981, 33540, 35776, 36816, 38055, 40592, 41280, 44720, 46020, 49088, 50740, 53664, 56640, 60888, 61360, 65962, 67080, 73632, 76110, 81184, 89440, 92040, 98943, 101480, 107328, 121776, 122720, 131924, 134160, 147264, 152220, 162368, 164905, 178880, 184080, 197886, 202960, 243552, 245440, 263848, 268320, 304440, 329810, 368160, 395772, 405920, 487104, 494715, 527696, 536640, 608880, 659620, 736320, 791544, 811840, 989430, 1055392, 1217760, 1319240, 1583088, 1978860, 2110784, 2435520, 2638480, 3166176, 3957720, 5276960, 6332352, 7915440, 10553920, 15830880, 31661760]

約数ペア:

[(1, 31661760), (2, 15830880), (3, 10553920), (4, 7915440), (5, 6332352), (6, 5276960), (8, 3957720), (10, 3166176), (12, 2638480), (13, 2435520), (15, 2110784), (16, 1978860), (20, 1583088), (24, 1319240), (26, 1217760), (30, 1055392), (32, 989430), (39, 811840), (40, 791544), (43, 736320), (48, 659620), (52, 608880), (59, 536640), (60, 527696), (64, 494715), (65, 487104), (78, 405920), (80, 395772), (86, 368160), (96, 329810), (104, 304440), (118, 268320), (120, 263848), (129, 245440), (130, 243552), (156, 202960), (160, 197886), (172, 184080), (177, 178880), (192, 164905), (195, 162368), (208, 152220), (215, 147264), (236, 134160), (240, 131924), (258, 122720), (260, 121776), (295, 107328), (312, 101480), (320, 98943), (344, 92040), (354, 89440), (390, 81184), (416, 76110), (430, 73632), (472, 67080), (480, 65962), (516, 61360), (520, 60888), (559, 56640), (590, 53664), (624, 50740), (645, 49088), (688, 46020), (708, 44720), (767, 41280), (780, 40592), (832, 38055), (860, 36816), (885, 35776), (944, 33540), (960, 32981), (1032, 30680), (1040, 30444), (1118, 28320), (1180, 26832), (1248, 25370), (1290, 24544), (1376, 23010), (1416, 22360), (1534, 20640), (1560, 20296), (1677, 18880), (1720, 18408), (1770, 17888), (1888, 16770), (2064, 15340), (2080, 15222), (2236, 14160), (2301, 13760), (2360, 13416), (2496, 12685), (2537, 12480), (2580, 12272), (2752, 11505), (2795, 11328), (2832, 11180), (3068, 10320), (3120, 10148), (3354, 9440), (3440, 9204), (3540, 8944), (3776, 8385), (3835, 8256), (4128, 7670), (4160, 7611), (4472, 7080), (4602, 6880), (4720, 6708), (5074, 6240), (5160, 6136), (5590, 5664)]