220985520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 160

約数和(自身を含む): 788044800

約数和(自身を除く): 567059280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 661, 796, 840, 995, 1194, 1322, 1393, 1592, 1680, 1983, 1990, 2388, 2644, 2786, 2985, 3184, 3305, 3966, 3980, 4179, 4627, 4776, 5288, 5572, 5970, 6610, 6965, 7932, 7960, 8358, 9254, 9552, 9915, 10576, 11144, 11940, 13220, 13881, 13930, 15864, 15920, 16716, 18508, 19830, 20895, 22288, 23135, 23880, 26440, 27762, 27860, 31728, 33432, 37016, 39660, 41790, 46270, 47760, 52880, 55524, 55720, 66864, 69405, 74032, 79320, 83580, 92540, 111048, 111440, 131539, 138810, 158640, 167160, 185080, 222096, 263078, 277620, 334320, 370160, 394617, 526156, 555240, 657695, 789234, 920773, 1052312, 1110480, 1315390, 1578468, 1841546, 1973085, 2104624, 2630780, 2762319, 3156936, 3683092, 3946170, 4603865, 5261560, 5524638, 6313872, 7366184, 7892340, 9207730, 10523120, 11049276, 13811595, 14732368, 15784680, 18415460, 22098552, 27623190, 31569360, 36830920, 44197104, 55246380, 73661840, 110492760, 220985520]

約数ペア:

[(1, 220985520), (2, 110492760), (3, 73661840), (4, 55246380), (5, 44197104), (6, 36830920), (7, 31569360), (8, 27623190), (10, 22098552), (12, 18415460), (14, 15784680), (15, 14732368), (16, 13811595), (20, 11049276), (21, 10523120), (24, 9207730), (28, 7892340), (30, 7366184), (35, 6313872), (40, 5524638), (42, 5261560), (48, 4603865), (56, 3946170), (60, 3683092), (70, 3156936), (80, 2762319), (84, 2630780), (105, 2104624), (112, 1973085), (120, 1841546), (140, 1578468), (168, 1315390), (199, 1110480), (210, 1052312), (240, 920773), (280, 789234), (336, 657695), (398, 555240), (420, 526156), (560, 394617), (597, 370160), (661, 334320), (796, 277620), (840, 263078), (995, 222096), (1194, 185080), (1322, 167160), (1393, 158640), (1592, 138810), (1680, 131539), (1983, 111440), (1990, 111048), (2388, 92540), (2644, 83580), (2786, 79320), (2985, 74032), (3184, 69405), (3305, 66864), (3966, 55720), (3980, 55524), (4179, 52880), (4627, 47760), (4776, 46270), (5288, 41790), (5572, 39660), (5970, 37016), (6610, 33432), (6965, 31728), (7932, 27860), (7960, 27762), (8358, 26440), (9254, 23880), (9552, 23135), (9915, 22288), (10576, 20895), (11144, 19830), (11940, 18508), (13220, 16716), (13881, 15920), (13930, 15864)]