2123907840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:915

約数の個数: 216

約数和(自身を含む): 7383933648

約数和(自身を除く): 5260025808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 331, 360, 384, 480, 557, 576, 640, 662, 720, 768, 960, 993, 1114, 1152, 1280, 1324, 1440, 1655, 1671, 1920, 1986, 2228, 2304, 2648, 2785, 2880, 2979, 3310, 3342, 3840, 3972, 4456, 4965, 5013, 5296, 5570, 5760, 5958, 6620, 6684, 7944, 8355, 8912, 9930, 10026, 10592, 11140, 11520, 11916, 13240, 13368, 14895, 15888, 16710, 17824, 19860, 20052, 21184, 22280, 23832, 25065, 26480, 26736, 29790, 31776, 33420, 35648, 39720, 40104, 42368, 44560, 47664, 50130, 52960, 53472, 59580, 63552, 66840, 71296, 79440, 80208, 84736, 89120, 95328, 100260, 105920, 106944, 119160, 127104, 133680, 142592, 158880, 160416, 178240, 184367, 190656, 200520, 211840, 213888, 238320, 254208, 267360, 317760, 320832, 356480, 368734, 381312, 401040, 423680, 427776, 476640, 534720, 553101, 635520, 641664, 712960, 737468, 762624, 802080, 921835, 953280, 1069440, 1106202, 1271040, 1283328, 1474936, 1604160, 1659303, 1843670, 1906560, 2138880, 2212404, 2765505, 2949872, 3208320, 3318606, 3687340, 3813120, 4424808, 5531010, 5899744, 6416640, 6637212, 7374680, 8296515, 8849616, 11062020, 11799488, 13274424, 14749360, 16593030, 17699232, 22124040, 23598976, 26548848, 29498720, 33186060, 35398464, 44248080, 47197952, 53097696, 58997440, 66372120, 70796928, 88496160, 106195392, 117994880, 132744240, 141593856, 176992320, 212390784, 235989760, 265488480, 353984640, 424781568, 530976960, 707969280, 1061953920, 2123907840]

約数ペア:

[(1, 2123907840), (2, 1061953920), (3, 707969280), (4, 530976960), (5, 424781568), (6, 353984640), (8, 265488480), (9, 235989760), (10, 212390784), (12, 176992320), (15, 141593856), (16, 132744240), (18, 117994880), (20, 106195392), (24, 88496160), (30, 70796928), (32, 66372120), (36, 58997440), (40, 53097696), (45, 47197952), (48, 44248080), (60, 35398464), (64, 33186060), (72, 29498720), (80, 26548848), (90, 23598976), (96, 22124040), (120, 17699232), (128, 16593030), (144, 14749360), (160, 13274424), (180, 11799488), (192, 11062020), (240, 8849616), (256, 8296515), (288, 7374680), (320, 6637212), (331, 6416640), (360, 5899744), (384, 5531010), (480, 4424808), (557, 3813120), (576, 3687340), (640, 3318606), (662, 3208320), (720, 2949872), (768, 2765505), (960, 2212404), (993, 2138880), (1114, 1906560), (1152, 1843670), (1280, 1659303), (1324, 1604160), (1440, 1474936), (1655, 1283328), (1671, 1271040), (1920, 1106202), (1986, 1069440), (2228, 953280), (2304, 921835), (2648, 802080), (2785, 762624), (2880, 737468), (2979, 712960), (3310, 641664), (3342, 635520), (3840, 553101), (3972, 534720), (4456, 476640), (4965, 427776), (5013, 423680), (5296, 401040), (5570, 381312), (5760, 368734), (5958, 356480), (6620, 320832), (6684, 317760), (7944, 267360), (8355, 254208), (8912, 238320), (9930, 213888), (10026, 211840), (10592, 200520), (11140, 190656), (11520, 184367), (11916, 178240), (13240, 160416), (13368, 158880), (14895, 142592), (15888, 133680), (16710, 127104), (17824, 119160), (19860, 106944), (20052, 105920), (21184, 100260), (22280, 95328), (23832, 89120), (25065, 84736), (26480, 80208), (26736, 79440), (29790, 71296), (31776, 66840), (33420, 63552), (35648, 59580), (39720, 53472), (40104, 52960), (42368, 50130), (44560, 47664)]