239854440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 256

約数和(自身を含む): 868515840

約数和(自身を除く): 628661400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 61, 62, 70, 84, 93, 105, 120, 122, 124, 140, 151, 155, 168, 183, 186, 210, 217, 244, 248, 280, 302, 305, 310, 366, 372, 420, 427, 434, 453, 465, 488, 604, 610, 620, 651, 732, 744, 755, 840, 854, 868, 906, 915, 930, 1057, 1085, 1208, 1220, 1240, 1281, 1302, 1464, 1510, 1708, 1736, 1812, 1830, 1860, 1891, 2114, 2135, 2170, 2265, 2440, 2562, 2604, 3020, 3171, 3255, 3416, 3624, 3660, 3720, 3782, 4228, 4270, 4340, 4530, 4681, 5124, 5208, 5285, 5673, 6040, 6342, 6405, 6510, 7320, 7564, 8456, 8540, 8680, 9060, 9211, 9362, 9455, 10248, 10570, 11346, 12684, 12810, 13020, 13237, 14043, 15128, 15855, 17080, 18120, 18422, 18724, 18910, 21140, 22692, 23405, 25368, 25620, 26040, 26474, 27633, 28086, 28365, 31710, 32767, 36844, 37448, 37820, 39711, 42280, 45384, 46055, 46810, 51240, 52948, 55266, 56172, 56730, 63420, 64477, 65534, 66185, 70215, 73688, 75640, 79422, 92110, 93620, 98301, 105896, 110532, 112344, 113460, 126840, 128954, 131068, 132370, 138165, 140430, 158844, 163835, 184220, 187240, 193431, 196602, 198555, 221064, 226920, 257908, 262136, 264740, 276330, 280860, 285541, 317688, 322385, 327670, 368440, 386862, 393204, 397110, 491505, 515816, 529480, 552660, 561720, 571082, 644770, 655340, 773724, 786408, 794220, 856623, 967155, 983010, 1105320, 1142164, 1289540, 1310680, 1427705, 1547448, 1588440, 1713246, 1934310, 1966020, 1998787, 2284328, 2579080, 2855410, 3426492, 3868620, 3932040, 3997574, 4283115, 5710820, 5996361, 6852984, 7737240, 7995148, 8566230, 9993935, 11421640, 11992722, 15990296, 17132460, 19987870, 23985444, 29981805, 34264920, 39975740, 47970888, 59963610, 79951480, 119927220, 239854440]

約数ペア:

[(1, 239854440), (2, 119927220), (3, 79951480), (4, 59963610), (5, 47970888), (6, 39975740), (7, 34264920), (8, 29981805), (10, 23985444), (12, 19987870), (14, 17132460), (15, 15990296), (20, 11992722), (21, 11421640), (24, 9993935), (28, 8566230), (30, 7995148), (31, 7737240), (35, 6852984), (40, 5996361), (42, 5710820), (56, 4283115), (60, 3997574), (61, 3932040), (62, 3868620), (70, 3426492), (84, 2855410), (93, 2579080), (105, 2284328), (120, 1998787), (122, 1966020), (124, 1934310), (140, 1713246), (151, 1588440), (155, 1547448), (168, 1427705), (183, 1310680), (186, 1289540), (210, 1142164), (217, 1105320), (244, 983010), (248, 967155), (280, 856623), (302, 794220), (305, 786408), (310, 773724), (366, 655340), (372, 644770), (420, 571082), (427, 561720), (434, 552660), (453, 529480), (465, 515816), (488, 491505), (604, 397110), (610, 393204), (620, 386862), (651, 368440), (732, 327670), (744, 322385), (755, 317688), (840, 285541), (854, 280860), (868, 276330), (906, 264740), (915, 262136), (930, 257908), (1057, 226920), (1085, 221064), (1208, 198555), (1220, 196602), (1240, 193431), (1281, 187240), (1302, 184220), (1464, 163835), (1510, 158844), (1708, 140430), (1736, 138165), (1812, 132370), (1830, 131068), (1860, 128954), (1891, 126840), (2114, 113460), (2135, 112344), (2170, 110532), (2265, 105896), (2440, 98301), (2562, 93620), (2604, 92110), (3020, 79422), (3171, 75640), (3255, 73688), (3416, 70215), (3624, 66185), (3660, 65534), (3720, 64477), (3782, 63420), (4228, 56730), (4270, 56172), (4340, 55266), (4530, 52948), (4681, 51240), (5124, 46810), (5208, 46055), (5285, 45384), (5673, 42280), (6040, 39711), (6342, 37820), (6405, 37448), (6510, 36844), (7320, 32767), (7564, 31710), (8456, 28365), (8540, 28086), (8680, 27633), (9060, 26474), (9211, 26040), (9362, 25620), (9455, 25368), (10248, 23405), (10570, 22692), (11346, 21140), (12684, 18910), (12810, 18724), (13020, 18422), (13237, 18120), (14043, 17080), (15128, 15855)]