161051520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 256

約数和(自身を含む): 613370880

約数和(自身を除く): 452319360

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, 420, 448, 460, 480, 483, 521, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 1042, 1104, 1120, 1288, 1344, 1380, 1472, 1563, 1610, 1680, 1840, 1920, 1932, 2084, 2208, 2240, 2415, 2576, 2605, 2688, 2760, 2944, 3126, 3220, 3360, 3647, 3680, 3864, 4168, 4416, 4480, 4830, 5152, 5210, 5520, 6252, 6440, 6720, 7294, 7360, 7728, 7815, 8336, 8832, 9660, 10304, 10420, 10941, 11040, 11983, 12504, 12880, 13440, 14588, 14720, 15456, 15630, 16672, 18235, 19320, 20608, 20840, 21882, 22080, 23966, 25008, 25760, 29176, 30912, 31260, 33344, 35949, 36470, 38640, 41680, 43764, 44160, 47932, 50016, 51520, 54705, 58352, 59915, 61824, 62520, 66688, 71898, 72940, 77280, 83360, 83881, 87528, 95864, 100032, 103040, 109410, 116704, 119830, 125040, 143796, 145880, 154560, 166720, 167762, 175056, 179745, 191728, 200064, 218820, 233408, 239660, 250080, 251643, 287592, 291760, 309120, 333440, 335524, 350112, 359490, 383456, 419405, 437640, 466816, 479320, 500160, 503286, 575184, 583520, 671048, 700224, 718980, 766912, 838810, 875280, 958640, 1000320, 1006572, 1150368, 1167040, 1258215, 1342096, 1400448, 1437960, 1533824, 1677620, 1750560, 1917280, 2013144, 2300736, 2334080, 2516430, 2684192, 2875920, 3355240, 3501120, 3834560, 4026288, 4601472, 5032860, 5368384, 5751840, 6710480, 7002240, 7669120, 8052576, 10065720, 10736768, 11503680, 13420960, 16105152, 20131440, 23007360, 26841920, 32210304, 40262880, 53683840, 80525760, 161051520]

約数ペア:

[(1, 161051520), (2, 80525760), (3, 53683840), (4, 40262880), (5, 32210304), (6, 26841920), (7, 23007360), (8, 20131440), (10, 16105152), (12, 13420960), (14, 11503680), (15, 10736768), (16, 10065720), (20, 8052576), (21, 7669120), (23, 7002240), (24, 6710480), (28, 5751840), (30, 5368384), (32, 5032860), (35, 4601472), (40, 4026288), (42, 3834560), (46, 3501120), (48, 3355240), (56, 2875920), (60, 2684192), (64, 2516430), (69, 2334080), (70, 2300736), (80, 2013144), (84, 1917280), (92, 1750560), (96, 1677620), (105, 1533824), (112, 1437960), (115, 1400448), (120, 1342096), (128, 1258215), (138, 1167040), (140, 1150368), (160, 1006572), (161, 1000320), (168, 958640), (184, 875280), (192, 838810), (210, 766912), (224, 718980), (230, 700224), (240, 671048), (276, 583520), (280, 575184), (320, 503286), (322, 500160), (336, 479320), (345, 466816), (368, 437640), (384, 419405), (420, 383456), (448, 359490), (460, 350112), (480, 335524), (483, 333440), (521, 309120), (552, 291760), (560, 287592), (640, 251643), (644, 250080), (672, 239660), (690, 233408), (736, 218820), (805, 200064), (840, 191728), (896, 179745), (920, 175056), (960, 167762), (966, 166720), (1042, 154560), (1104, 145880), (1120, 143796), (1288, 125040), (1344, 119830), (1380, 116704), (1472, 109410), (1563, 103040), (1610, 100032), (1680, 95864), (1840, 87528), (1920, 83881), (1932, 83360), (2084, 77280), (2208, 72940), (2240, 71898), (2415, 66688), (2576, 62520), (2605, 61824), (2688, 59915), (2760, 58352), (2944, 54705), (3126, 51520), (3220, 50016), (3360, 47932), (3647, 44160), (3680, 43764), (3864, 41680), (4168, 38640), (4416, 36470), (4480, 35949), (4830, 33344), (5152, 31260), (5210, 30912), (5520, 29176), (6252, 25760), (6440, 25008), (6720, 23966), (7294, 22080), (7360, 21882), (7728, 20840), (7815, 20608), (8336, 19320), (8832, 18235), (9660, 16672), (10304, 15630), (10420, 15456), (10941, 14720), (11040, 14588), (11983, 13440), (12504, 12880)]