245441280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 288

約数和(自身を含む): 937165824

約数和(自身を除く): 691724544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 256, 276, 280, 320, 322, 336, 345, 368, 384, 397, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 768, 794, 805, 840, 896, 920, 960, 966, 1104, 1120, 1191, 1280, 1288, 1344, 1380, 1472, 1588, 1610, 1680, 1792, 1840, 1920, 1932, 1985, 2208, 2240, 2382, 2415, 2576, 2688, 2760, 2779, 2944, 3176, 3220, 3360, 3680, 3840, 3864, 3970, 4416, 4480, 4764, 4830, 5152, 5376, 5520, 5558, 5888, 5955, 6352, 6440, 6720, 7360, 7728, 7940, 8337, 8832, 8960, 9131, 9528, 9660, 10304, 11040, 11116, 11910, 12704, 12880, 13440, 13895, 14720, 15456, 15880, 16674, 17664, 18262, 19056, 19320, 20608, 22080, 22232, 23820, 25408, 25760, 26880, 27393, 27790, 29440, 30912, 31760, 33348, 36524, 38112, 38640, 41216, 41685, 44160, 44464, 45655, 47640, 50816, 51520, 54786, 55580, 61824, 63520, 63917, 66696, 73048, 76224, 77280, 83370, 88320, 88928, 91310, 95280, 101632, 103040, 109572, 111160, 123648, 127040, 127834, 133392, 136965, 146096, 152448, 154560, 166740, 177856, 182620, 190560, 191751, 206080, 219144, 222320, 254080, 255668, 266784, 273930, 292192, 304896, 309120, 319585, 333480, 355712, 365240, 381120, 383502, 438288, 444640, 508160, 511336, 533568, 547860, 584384, 618240, 639170, 666960, 711424, 730480, 762240, 767004, 876576, 889280, 958755, 1022672, 1067136, 1095720, 1168768, 1278340, 1333920, 1460960, 1524480, 1534008, 1753152, 1778560, 1917510, 2045344, 2134272, 2191440, 2337536, 2556680, 2667840, 2921920, 3068016, 3506304, 3557120, 3835020, 4090688, 4382880, 5113360, 5335680, 5843840, 6136032, 7012608, 7670040, 8181376, 8765760, 10226720, 10671360, 11687680, 12272064, 15340080, 16362752, 17531520, 20453440, 24544128, 30680160, 35063040, 40906880, 49088256, 61360320, 81813760, 122720640, 245441280]

約数ペア:

[(1, 245441280), (2, 122720640), (3, 81813760), (4, 61360320), (5, 49088256), (6, 40906880), (7, 35063040), (8, 30680160), (10, 24544128), (12, 20453440), (14, 17531520), (15, 16362752), (16, 15340080), (20, 12272064), (21, 11687680), (23, 10671360), (24, 10226720), (28, 8765760), (30, 8181376), (32, 7670040), (35, 7012608), (40, 6136032), (42, 5843840), (46, 5335680), (48, 5113360), (56, 4382880), (60, 4090688), (64, 3835020), (69, 3557120), (70, 3506304), (80, 3068016), (84, 2921920), (92, 2667840), (96, 2556680), (105, 2337536), (112, 2191440), (115, 2134272), (120, 2045344), (128, 1917510), (138, 1778560), (140, 1753152), (160, 1534008), (161, 1524480), (168, 1460960), (184, 1333920), (192, 1278340), (210, 1168768), (224, 1095720), (230, 1067136), (240, 1022672), (256, 958755), (276, 889280), (280, 876576), (320, 767004), (322, 762240), (336, 730480), (345, 711424), (368, 666960), (384, 639170), (397, 618240), (420, 584384), (448, 547860), (460, 533568), (480, 511336), (483, 508160), (552, 444640), (560, 438288), (640, 383502), (644, 381120), (672, 365240), (690, 355712), (736, 333480), (768, 319585), (794, 309120), (805, 304896), (840, 292192), (896, 273930), (920, 266784), (960, 255668), (966, 254080), (1104, 222320), (1120, 219144), (1191, 206080), (1280, 191751), (1288, 190560), (1344, 182620), (1380, 177856), (1472, 166740), (1588, 154560), (1610, 152448), (1680, 146096), (1792, 136965), (1840, 133392), (1920, 127834), (1932, 127040), (1985, 123648), (2208, 111160), (2240, 109572), (2382, 103040), (2415, 101632), (2576, 95280), (2688, 91310), (2760, 88928), (2779, 88320), (2944, 83370), (3176, 77280), (3220, 76224), (3360, 73048), (3680, 66696), (3840, 63917), (3864, 63520), (3970, 61824), (4416, 55580), (4480, 54786), (4764, 51520), (4830, 50816), (5152, 47640), (5376, 45655), (5520, 44464), (5558, 44160), (5888, 41685), (5955, 41216), (6352, 38640), (6440, 38112), (6720, 36524), (7360, 33348), (7728, 31760), (7940, 30912), (8337, 29440), (8832, 27790), (8960, 27393), (9131, 26880), (9528, 25760), (9660, 25408), (10304, 23820), (11040, 22232), (11116, 22080), (11910, 20608), (12704, 19320), (12880, 19056), (13440, 18262), (13895, 17664), (14720, 16674), (15456, 15880)]