1854720

素因数分解:

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

素因数の和:57

約数の個数: 216

約数和(自身を含む): 7652736

約数和(自身を除く): 5798016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 128, 138, 140, 144, 160, 161, 168, 180, 184, 192, 207, 210, 224, 230, 240, 252, 256, 276, 280, 288, 315, 320, 322, 336, 345, 360, 368, 384, 414, 420, 448, 460, 480, 483, 504, 552, 560, 576, 630, 640, 644, 672, 690, 720, 736, 768, 805, 828, 840, 896, 920, 960, 966, 1008, 1035, 1104, 1120, 1152, 1260, 1280, 1288, 1344, 1380, 1440, 1449, 1472, 1610, 1656, 1680, 1792, 1840, 1920, 1932, 2016, 2070, 2208, 2240, 2304, 2415, 2520, 2576, 2688, 2760, 2880, 2898, 2944, 3220, 3312, 3360, 3680, 3840, 3864, 4032, 4140, 4416, 4480, 4830, 5040, 5152, 5376, 5520, 5760, 5796, 5888, 6440, 6624, 6720, 7245, 7360, 7728, 8064, 8280, 8832, 8960, 9660, 10080, 10304, 11040, 11520, 11592, 12880, 13248, 13440, 14490, 14720, 15456, 16128, 16560, 17664, 19320, 20160, 20608, 22080, 23184, 25760, 26496, 26880, 28980, 29440, 30912, 33120, 38640, 40320, 41216, 44160, 46368, 51520, 52992, 57960, 61824, 66240, 77280, 80640, 88320, 92736, 103040, 115920, 123648, 132480, 154560, 185472, 206080, 231840, 264960, 309120, 370944, 463680, 618240, 927360, 1854720]

約数ペア:

[(1, 1854720), (2, 927360), (3, 618240), (4, 463680), (5, 370944), (6, 309120), (7, 264960), (8, 231840), (9, 206080), (10, 185472), (12, 154560), (14, 132480), (15, 123648), (16, 115920), (18, 103040), (20, 92736), (21, 88320), (23, 80640), (24, 77280), (28, 66240), (30, 61824), (32, 57960), (35, 52992), (36, 51520), (40, 46368), (42, 44160), (45, 41216), (46, 40320), (48, 38640), (56, 33120), (60, 30912), (63, 29440), (64, 28980), (69, 26880), (70, 26496), (72, 25760), (80, 23184), (84, 22080), (90, 20608), (92, 20160), (96, 19320), (105, 17664), (112, 16560), (115, 16128), (120, 15456), (126, 14720), (128, 14490), (138, 13440), (140, 13248), (144, 12880), (160, 11592), (161, 11520), (168, 11040), (180, 10304), (184, 10080), (192, 9660), (207, 8960), (210, 8832), (224, 8280), (230, 8064), (240, 7728), (252, 7360), (256, 7245), (276, 6720), (280, 6624), (288, 6440), (315, 5888), (320, 5796), (322, 5760), (336, 5520), (345, 5376), (360, 5152), (368, 5040), (384, 4830), (414, 4480), (420, 4416), (448, 4140), (460, 4032), (480, 3864), (483, 3840), (504, 3680), (552, 3360), (560, 3312), (576, 3220), (630, 2944), (640, 2898), (644, 2880), (672, 2760), (690, 2688), (720, 2576), (736, 2520), (768, 2415), (805, 2304), (828, 2240), (840, 2208), (896, 2070), (920, 2016), (960, 1932), (966, 1920), (1008, 1840), (1035, 1792), (1104, 1680), (1120, 1656), (1152, 1610), (1260, 1472), (1280, 1449), (1288, 1440), (1344, 1380)]