90799920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 160

約数和(自身を含む): 316170240

約数和(自身を除く): 225370320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 127, 135, 144, 180, 216, 240, 254, 270, 331, 360, 381, 432, 508, 540, 635, 662, 720, 762, 993, 1016, 1080, 1143, 1270, 1324, 1524, 1655, 1905, 1986, 2032, 2160, 2286, 2540, 2648, 2979, 3048, 3310, 3429, 3810, 3972, 4572, 4965, 5080, 5296, 5715, 5958, 6096, 6620, 6858, 7620, 7944, 8937, 9144, 9930, 10160, 11430, 11916, 13240, 13716, 14895, 15240, 15888, 17145, 17874, 18288, 19860, 22860, 23832, 26480, 27432, 29790, 30480, 34290, 35748, 39720, 42037, 44685, 45720, 47664, 54864, 59580, 68580, 71496, 79440, 84074, 89370, 91440, 119160, 126111, 137160, 142992, 168148, 178740, 210185, 238320, 252222, 274320, 336296, 357480, 378333, 420370, 504444, 630555, 672592, 714960, 756666, 840740, 1008888, 1134999, 1261110, 1513332, 1681480, 1891665, 2017776, 2269998, 2522220, 3026664, 3362960, 3783330, 4539996, 5044440, 5674995, 6053328, 7566660, 9079992, 10088880, 11349990, 15133320, 18159984, 22699980, 30266640, 45399960, 90799920]

約数ペア:

[(1, 90799920), (2, 45399960), (3, 30266640), (4, 22699980), (5, 18159984), (6, 15133320), (8, 11349990), (9, 10088880), (10, 9079992), (12, 7566660), (15, 6053328), (16, 5674995), (18, 5044440), (20, 4539996), (24, 3783330), (27, 3362960), (30, 3026664), (36, 2522220), (40, 2269998), (45, 2017776), (48, 1891665), (54, 1681480), (60, 1513332), (72, 1261110), (80, 1134999), (90, 1008888), (108, 840740), (120, 756666), (127, 714960), (135, 672592), (144, 630555), (180, 504444), (216, 420370), (240, 378333), (254, 357480), (270, 336296), (331, 274320), (360, 252222), (381, 238320), (432, 210185), (508, 178740), (540, 168148), (635, 142992), (662, 137160), (720, 126111), (762, 119160), (993, 91440), (1016, 89370), (1080, 84074), (1143, 79440), (1270, 71496), (1324, 68580), (1524, 59580), (1655, 54864), (1905, 47664), (1986, 45720), (2032, 44685), (2160, 42037), (2286, 39720), (2540, 35748), (2648, 34290), (2979, 30480), (3048, 29790), (3310, 27432), (3429, 26480), (3810, 23832), (3972, 22860), (4572, 19860), (4965, 18288), (5080, 17874), (5296, 17145), (5715, 15888), (5958, 15240), (6096, 14895), (6620, 13716), (6858, 13240), (7620, 11916), (7944, 11430), (8937, 10160), (9144, 9930)]