231031080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{1871}}^1$

素因数の和:1909

約数の個数: 192

約数和(自身を含む): 876096000

約数和(自身を除く): 645064920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1372, 1470, 1715, 1764, 1871, 1960, 2058, 2205, 2520, 2744, 2940, 3087, 3430, 3528, 3742, 4116, 4410, 5145, 5613, 5880, 6174, 6860, 7484, 8232, 8820, 9355, 10290, 11226, 12348, 13097, 13720, 14968, 15435, 16839, 17640, 18710, 20580, 22452, 24696, 26194, 28065, 30870, 33678, 37420, 39291, 41160, 44904, 52388, 56130, 61740, 65485, 67356, 74840, 78582, 84195, 91679, 104776, 112260, 117873, 123480, 130970, 134712, 157164, 168390, 183358, 196455, 224520, 235746, 261940, 275037, 314328, 336780, 366716, 392910, 458395, 471492, 523880, 550074, 589365, 641753, 673560, 733432, 785820, 825111, 916790, 942984, 1100148, 1178730, 1283506, 1375185, 1571640, 1650222, 1833580, 1925259, 2200296, 2357460, 2567012, 2750370, 3208765, 3300444, 3667160, 3850518, 4125555, 4714920, 5134024, 5500740, 5775777, 6417530, 6600888, 7701036, 8251110, 9626295, 11001480, 11551554, 12835060, 15402072, 16502220, 19252590, 23103108, 25670120, 28878885, 33004440, 38505180, 46206216, 57757770, 77010360, 115515540, 231031080]

約数ペア:

[(1, 231031080), (2, 115515540), (3, 77010360), (4, 57757770), (5, 46206216), (6, 38505180), (7, 33004440), (8, 28878885), (9, 25670120), (10, 23103108), (12, 19252590), (14, 16502220), (15, 15402072), (18, 12835060), (20, 11551554), (21, 11001480), (24, 9626295), (28, 8251110), (30, 7701036), (35, 6600888), (36, 6417530), (40, 5775777), (42, 5500740), (45, 5134024), (49, 4714920), (56, 4125555), (60, 3850518), (63, 3667160), (70, 3300444), (72, 3208765), (84, 2750370), (90, 2567012), (98, 2357460), (105, 2200296), (120, 1925259), (126, 1833580), (140, 1650222), (147, 1571640), (168, 1375185), (180, 1283506), (196, 1178730), (210, 1100148), (245, 942984), (252, 916790), (280, 825111), (294, 785820), (315, 733432), (343, 673560), (360, 641753), (392, 589365), (420, 550074), (441, 523880), (490, 471492), (504, 458395), (588, 392910), (630, 366716), (686, 336780), (735, 314328), (840, 275037), (882, 261940), (980, 235746), (1029, 224520), (1176, 196455), (1260, 183358), (1372, 168390), (1470, 157164), (1715, 134712), (1764, 130970), (1871, 123480), (1960, 117873), (2058, 112260), (2205, 104776), (2520, 91679), (2744, 84195), (2940, 78582), (3087, 74840), (3430, 67356), (3528, 65485), (3742, 61740), (4116, 56130), (4410, 52388), (5145, 44904), (5613, 41160), (5880, 39291), (6174, 37420), (6860, 33678), (7484, 30870), (8232, 28065), (8820, 26194), (9355, 24696), (10290, 22452), (11226, 20580), (12348, 18710), (13097, 17640), (13720, 16839), (14968, 15435)]