122720640

素因数分解:

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

素因数の和:449

約数の個数: 256

約数和(自身を含む): 467665920

約数和(自身を除く): 344945280

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, 276, 280, 320, 322, 336, 345, 368, 384, 397, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 794, 805, 840, 896, 920, 960, 966, 1104, 1120, 1191, 1288, 1344, 1380, 1472, 1588, 1610, 1680, 1840, 1920, 1932, 1985, 2208, 2240, 2382, 2415, 2576, 2688, 2760, 2779, 2944, 3176, 3220, 3360, 3680, 3864, 3970, 4416, 4480, 4764, 4830, 5152, 5520, 5558, 5955, 6352, 6440, 6720, 7360, 7728, 7940, 8337, 8832, 9131, 9528, 9660, 10304, 11040, 11116, 11910, 12704, 12880, 13440, 13895, 14720, 15456, 15880, 16674, 18262, 19056, 19320, 20608, 22080, 22232, 23820, 25408, 25760, 27393, 27790, 30912, 31760, 33348, 36524, 38112, 38640, 41685, 44160, 44464, 45655, 47640, 50816, 51520, 54786, 55580, 61824, 63520, 63917, 66696, 73048, 76224, 77280, 83370, 88928, 91310, 95280, 103040, 109572, 111160, 127040, 127834, 133392, 136965, 146096, 152448, 154560, 166740, 177856, 182620, 190560, 191751, 219144, 222320, 254080, 255668, 266784, 273930, 292192, 309120, 319585, 333480, 355712, 365240, 381120, 383502, 438288, 444640, 511336, 533568, 547860, 584384, 639170, 666960, 730480, 762240, 767004, 876576, 889280, 958755, 1022672, 1067136, 1095720, 1168768, 1278340, 1333920, 1460960, 1534008, 1753152, 1778560, 1917510, 2045344, 2191440, 2556680, 2667840, 2921920, 3068016, 3506304, 3835020, 4090688, 4382880, 5113360, 5335680, 5843840, 6136032, 7670040, 8181376, 8765760, 10226720, 12272064, 15340080, 17531520, 20453440, 24544128, 30680160, 40906880, 61360320, 122720640]

約数ペア:

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