201720120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 256

約数和(自身を含む): 739031040

約数和(自身を除く): 537310920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 53, 56, 60, 69, 70, 84, 92, 105, 106, 115, 120, 138, 140, 159, 161, 168, 184, 197, 210, 212, 230, 265, 276, 280, 318, 322, 345, 371, 394, 420, 424, 460, 483, 530, 552, 591, 636, 644, 690, 742, 788, 795, 805, 840, 920, 966, 985, 1060, 1113, 1182, 1219, 1272, 1288, 1379, 1380, 1484, 1576, 1590, 1610, 1855, 1932, 1970, 2120, 2226, 2364, 2415, 2438, 2758, 2760, 2955, 2968, 3180, 3220, 3657, 3710, 3864, 3940, 4137, 4452, 4531, 4728, 4830, 4876, 5516, 5565, 5910, 6095, 6360, 6440, 6895, 7314, 7420, 7880, 8274, 8533, 8904, 9062, 9660, 9752, 10441, 11032, 11130, 11820, 12190, 13593, 13790, 14628, 14840, 16548, 17066, 18124, 18285, 19320, 20685, 20882, 22260, 22655, 23640, 24380, 25599, 27186, 27580, 29256, 31323, 31717, 33096, 34132, 36248, 36570, 41370, 41764, 42665, 44520, 45310, 48760, 51198, 52205, 54372, 55160, 62646, 63434, 67965, 68264, 73087, 73140, 82740, 83528, 85330, 90620, 95151, 102396, 104410, 108744, 125292, 126868, 127995, 135930, 146174, 146280, 156615, 158585, 165480, 170660, 181240, 190302, 204792, 208820, 219261, 240143, 250584, 253736, 255990, 271860, 292348, 313230, 317170, 341320, 365435, 380604, 417640, 438522, 475755, 480286, 511980, 543720, 584696, 626460, 634340, 720429, 730870, 761208, 877044, 951510, 960572, 1023960, 1096305, 1200715, 1252920, 1268680, 1440858, 1461740, 1681001, 1754088, 1903020, 1921144, 2192610, 2401430, 2881716, 2923480, 3362002, 3602145, 3806040, 4385220, 4802860, 5043003, 5763432, 6724004, 7204290, 8405005, 8770440, 9605720, 10086006, 13448008, 14408580, 16810010, 20172012, 25215015, 28817160, 33620020, 40344024, 50430030, 67240040, 100860060, 201720120]

約数ペア:

[(1, 201720120), (2, 100860060), (3, 67240040), (4, 50430030), (5, 40344024), (6, 33620020), (7, 28817160), (8, 25215015), (10, 20172012), (12, 16810010), (14, 14408580), (15, 13448008), (20, 10086006), (21, 9605720), (23, 8770440), (24, 8405005), (28, 7204290), (30, 6724004), (35, 5763432), (40, 5043003), (42, 4802860), (46, 4385220), (53, 3806040), (56, 3602145), (60, 3362002), (69, 2923480), (70, 2881716), (84, 2401430), (92, 2192610), (105, 1921144), (106, 1903020), (115, 1754088), (120, 1681001), (138, 1461740), (140, 1440858), (159, 1268680), (161, 1252920), (168, 1200715), (184, 1096305), (197, 1023960), (210, 960572), (212, 951510), (230, 877044), (265, 761208), (276, 730870), (280, 720429), (318, 634340), (322, 626460), (345, 584696), (371, 543720), (394, 511980), (420, 480286), (424, 475755), (460, 438522), (483, 417640), (530, 380604), (552, 365435), (591, 341320), (636, 317170), (644, 313230), (690, 292348), (742, 271860), (788, 255990), (795, 253736), (805, 250584), (840, 240143), (920, 219261), (966, 208820), (985, 204792), (1060, 190302), (1113, 181240), (1182, 170660), (1219, 165480), (1272, 158585), (1288, 156615), (1379, 146280), (1380, 146174), (1484, 135930), (1576, 127995), (1590, 126868), (1610, 125292), (1855, 108744), (1932, 104410), (1970, 102396), (2120, 95151), (2226, 90620), (2364, 85330), (2415, 83528), (2438, 82740), (2758, 73140), (2760, 73087), (2955, 68264), (2968, 67965), (3180, 63434), (3220, 62646), (3657, 55160), (3710, 54372), (3864, 52205), (3940, 51198), (4137, 48760), (4452, 45310), (4531, 44520), (4728, 42665), (4830, 41764), (4876, 41370), (5516, 36570), (5565, 36248), (5910, 34132), (6095, 33096), (6360, 31717), (6440, 31323), (6895, 29256), (7314, 27580), (7420, 27186), (7880, 25599), (8274, 24380), (8533, 23640), (8904, 22655), (9062, 22260), (9660, 20882), (9752, 20685), (10441, 19320), (11032, 18285), (11130, 18124), (11820, 17066), (12190, 16548), (13593, 14840), (13790, 14628)]