280517760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1627

約数の個数: 192

約数和(自身を含む): 1000546560

約数和(自身を除く): 720028800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 930, 960, 992, 1116, 1152, 1240, 1395, 1440, 1488, 1571, 1860, 1920, 1984, 2232, 2480, 2790, 2880, 2976, 3142, 3720, 3968, 4464, 4713, 4960, 5580, 5760, 5952, 6284, 7440, 7855, 8928, 9426, 9920, 11160, 11904, 12568, 14139, 14880, 15710, 17856, 18852, 19840, 22320, 23565, 25136, 28278, 29760, 31420, 35712, 37704, 44640, 47130, 48701, 50272, 56556, 59520, 62840, 70695, 75408, 89280, 94260, 97402, 100544, 113112, 125680, 141390, 146103, 150816, 178560, 188520, 194804, 201088, 226224, 243505, 251360, 282780, 292206, 301632, 377040, 389608, 438309, 452448, 487010, 502720, 565560, 584412, 603264, 730515, 754080, 779216, 876618, 904896, 974020, 1005440, 1131120, 1168824, 1461030, 1508160, 1558432, 1753236, 1809792, 1948040, 2191545, 2262240, 2337648, 2922060, 3016320, 3116864, 3506472, 3896080, 4383090, 4524480, 4675296, 5844120, 6233728, 7012944, 7792160, 8766180, 9048960, 9350592, 11688240, 14025888, 15584320, 17532360, 18701184, 23376480, 28051776, 31168640, 35064720, 46752960, 56103552, 70129440, 93505920, 140258880, 280517760]

約数ペア:

[(1, 280517760), (2, 140258880), (3, 93505920), (4, 70129440), (5, 56103552), (6, 46752960), (8, 35064720), (9, 31168640), (10, 28051776), (12, 23376480), (15, 18701184), (16, 17532360), (18, 15584320), (20, 14025888), (24, 11688240), (30, 9350592), (31, 9048960), (32, 8766180), (36, 7792160), (40, 7012944), (45, 6233728), (48, 5844120), (60, 4675296), (62, 4524480), (64, 4383090), (72, 3896080), (80, 3506472), (90, 3116864), (93, 3016320), (96, 2922060), (120, 2337648), (124, 2262240), (128, 2191545), (144, 1948040), (155, 1809792), (160, 1753236), (180, 1558432), (186, 1508160), (192, 1461030), (240, 1168824), (248, 1131120), (279, 1005440), (288, 974020), (310, 904896), (320, 876618), (360, 779216), (372, 754080), (384, 730515), (465, 603264), (480, 584412), (496, 565560), (558, 502720), (576, 487010), (620, 452448), (640, 438309), (720, 389608), (744, 377040), (930, 301632), (960, 292206), (992, 282780), (1116, 251360), (1152, 243505), (1240, 226224), (1395, 201088), (1440, 194804), (1488, 188520), (1571, 178560), (1860, 150816), (1920, 146103), (1984, 141390), (2232, 125680), (2480, 113112), (2790, 100544), (2880, 97402), (2976, 94260), (3142, 89280), (3720, 75408), (3968, 70695), (4464, 62840), (4713, 59520), (4960, 56556), (5580, 50272), (5760, 48701), (5952, 47130), (6284, 44640), (7440, 37704), (7855, 35712), (8928, 31420), (9426, 29760), (9920, 28278), (11160, 25136), (11904, 23565), (12568, 22320), (14139, 19840), (14880, 18852), (15710, 17856)]