1440897920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4177}}^1$

素因数の和:4221

約数の個数: 192

約数和(自身を含む): 4372360560

約数和(自身を除く): 2931462640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1232, 1408, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2695, 3080, 3136, 3520, 3920, 4177, 4312, 4480, 4928, 5390, 6160, 6272, 7040, 7840, 8354, 8624, 9856, 10780, 12320, 15680, 16708, 17248, 20885, 21560, 24640, 29239, 31360, 33416, 34496, 41770, 43120, 45947, 49280, 58478, 66832, 68992, 83540, 86240, 91894, 116956, 133664, 146195, 167080, 172480, 183788, 204673, 229735, 233912, 267328, 292390, 321629, 334160, 344960, 367576, 409346, 459470, 467824, 534656, 584780, 643258, 668320, 735152, 818692, 918940, 935648, 1023365, 1169560, 1286516, 1336640, 1470304, 1608145, 1637384, 1837880, 1871296, 2046730, 2251403, 2339120, 2573032, 2673280, 2940608, 3216290, 3274768, 3675760, 3742592, 4093460, 4502806, 4678240, 5146064, 5881216, 6432580, 6549536, 7351520, 8186920, 9005612, 9356480, 10292128, 11257015, 12865160, 13099072, 14703040, 16373840, 18011224, 18712960, 20584256, 22514030, 25730320, 26198144, 29406080, 32747680, 36022448, 41168512, 45028060, 51460640, 65495360, 72044896, 90056120, 102921280, 130990720, 144089792, 180112240, 205842560, 288179584, 360224480, 720448960, 1440897920]

約数ペア:

[(1, 1440897920), (2, 720448960), (4, 360224480), (5, 288179584), (7, 205842560), (8, 180112240), (10, 144089792), (11, 130990720), (14, 102921280), (16, 90056120), (20, 72044896), (22, 65495360), (28, 51460640), (32, 45028060), (35, 41168512), (40, 36022448), (44, 32747680), (49, 29406080), (55, 26198144), (56, 25730320), (64, 22514030), (70, 20584256), (77, 18712960), (80, 18011224), (88, 16373840), (98, 14703040), (110, 13099072), (112, 12865160), (128, 11257015), (140, 10292128), (154, 9356480), (160, 9005612), (176, 8186920), (196, 7351520), (220, 6549536), (224, 6432580), (245, 5881216), (280, 5146064), (308, 4678240), (320, 4502806), (352, 4093460), (385, 3742592), (392, 3675760), (440, 3274768), (448, 3216290), (490, 2940608), (539, 2673280), (560, 2573032), (616, 2339120), (640, 2251403), (704, 2046730), (770, 1871296), (784, 1837880), (880, 1637384), (896, 1608145), (980, 1470304), (1078, 1336640), (1120, 1286516), (1232, 1169560), (1408, 1023365), (1540, 935648), (1568, 918940), (1760, 818692), (1960, 735152), (2156, 668320), (2240, 643258), (2464, 584780), (2695, 534656), (3080, 467824), (3136, 459470), (3520, 409346), (3920, 367576), (4177, 344960), (4312, 334160), (4480, 321629), (4928, 292390), (5390, 267328), (6160, 233912), (6272, 229735), (7040, 204673), (7840, 183788), (8354, 172480), (8624, 167080), (9856, 146195), (10780, 133664), (12320, 116956), (15680, 91894), (16708, 86240), (17248, 83540), (20885, 68992), (21560, 66832), (24640, 58478), (29239, 49280), (31360, 45947), (33416, 43120), (34496, 41770)]