280993920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4774

約数の個数: 128

約数和(自身を含む): 924756480

約数和(自身を除く): 643762560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4721, 4960, 5952, 7440, 9442, 9920, 11904, 14163, 14880, 18884, 19840, 23605, 28326, 29760, 37768, 47210, 56652, 59520, 70815, 75536, 94420, 113304, 141630, 146351, 151072, 188840, 226608, 283260, 292702, 302144, 377680, 439053, 453216, 566520, 585404, 604288, 731755, 755360, 878106, 906432, 1133040, 1170808, 1463510, 1510720, 1756212, 1812864, 2195265, 2266080, 2341616, 2927020, 3021440, 3512424, 4390530, 4532160, 4683232, 5854040, 7024848, 8781060, 9064320, 9366464, 11708080, 14049696, 17562120, 18732928, 23416160, 28099392, 35124240, 46832320, 56198784, 70248480, 93664640, 140496960, 280993920]

約数ペア:

[(1, 280993920), (2, 140496960), (3, 93664640), (4, 70248480), (5, 56198784), (6, 46832320), (8, 35124240), (10, 28099392), (12, 23416160), (15, 18732928), (16, 17562120), (20, 14049696), (24, 11708080), (30, 9366464), (31, 9064320), (32, 8781060), (40, 7024848), (48, 5854040), (60, 4683232), (62, 4532160), (64, 4390530), (80, 3512424), (93, 3021440), (96, 2927020), (120, 2341616), (124, 2266080), (128, 2195265), (155, 1812864), (160, 1756212), (186, 1510720), (192, 1463510), (240, 1170808), (248, 1133040), (310, 906432), (320, 878106), (372, 755360), (384, 731755), (465, 604288), (480, 585404), (496, 566520), (620, 453216), (640, 439053), (744, 377680), (930, 302144), (960, 292702), (992, 283260), (1240, 226608), (1488, 188840), (1860, 151072), (1920, 146351), (1984, 141630), (2480, 113304), (2976, 94420), (3720, 75536), (3968, 70815), (4721, 59520), (4960, 56652), (5952, 47210), (7440, 37768), (9442, 29760), (9920, 28326), (11904, 23605), (14163, 19840), (14880, 18884)]