18470880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 64157184

約数和(自身を除く): 45686304

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, 72, 80, 90, 96, 101, 120, 127, 144, 160, 180, 202, 240, 254, 288, 303, 360, 381, 404, 480, 505, 508, 606, 635, 720, 762, 808, 909, 1010, 1016, 1143, 1212, 1270, 1440, 1515, 1524, 1616, 1818, 1905, 2020, 2032, 2286, 2424, 2540, 3030, 3048, 3232, 3636, 3810, 4040, 4064, 4545, 4572, 4848, 5080, 5715, 6060, 6096, 7272, 7620, 8080, 9090, 9144, 9696, 10160, 11430, 12120, 12192, 12827, 14544, 15240, 16160, 18180, 18288, 20320, 22860, 24240, 25654, 29088, 30480, 36360, 36576, 38481, 45720, 48480, 51308, 60960, 64135, 72720, 76962, 91440, 102616, 115443, 128270, 145440, 153924, 182880, 192405, 205232, 230886, 256540, 307848, 384810, 410464, 461772, 513080, 577215, 615696, 769620, 923544, 1026160, 1154430, 1231392, 1539240, 1847088, 2052320, 2308860, 3078480, 3694176, 4617720, 6156960, 9235440, 18470880]

約数ペア:

[(1, 18470880), (2, 9235440), (3, 6156960), (4, 4617720), (5, 3694176), (6, 3078480), (8, 2308860), (9, 2052320), (10, 1847088), (12, 1539240), (15, 1231392), (16, 1154430), (18, 1026160), (20, 923544), (24, 769620), (30, 615696), (32, 577215), (36, 513080), (40, 461772), (45, 410464), (48, 384810), (60, 307848), (72, 256540), (80, 230886), (90, 205232), (96, 192405), (101, 182880), (120, 153924), (127, 145440), (144, 128270), (160, 115443), (180, 102616), (202, 91440), (240, 76962), (254, 72720), (288, 64135), (303, 60960), (360, 51308), (381, 48480), (404, 45720), (480, 38481), (505, 36576), (508, 36360), (606, 30480), (635, 29088), (720, 25654), (762, 24240), (808, 22860), (909, 20320), (1010, 18288), (1016, 18180), (1143, 16160), (1212, 15240), (1270, 14544), (1440, 12827), (1515, 12192), (1524, 12120), (1616, 11430), (1818, 10160), (1905, 9696), (2020, 9144), (2032, 9090), (2286, 8080), (2424, 7620), (2540, 7272), (3030, 6096), (3048, 6060), (3232, 5715), (3636, 5080), (3810, 4848), (4040, 4572), (4064, 4545)]