1981194240

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:758

約数の個数: 224

約数和(自身を含む): 6624498816

約数和(自身を除く): 4643304576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 701, 736, 768, 920, 960, 1024, 1104, 1280, 1380, 1402, 1472, 1536, 1840, 1920, 2048, 2103, 2208, 2560, 2760, 2804, 2944, 3072, 3505, 3680, 3840, 4096, 4206, 4416, 5120, 5520, 5608, 5888, 6144, 7010, 7360, 7680, 8192, 8412, 8832, 10240, 10515, 11040, 11216, 11776, 12288, 14020, 14720, 15360, 16123, 16824, 17664, 20480, 21030, 22080, 22432, 23552, 24576, 28040, 29440, 30720, 32246, 33648, 35328, 40960, 42060, 44160, 44864, 47104, 48369, 56080, 58880, 61440, 64492, 67296, 70656, 80615, 84120, 88320, 89728, 94208, 96738, 112160, 117760, 122880, 128984, 134592, 141312, 161230, 168240, 176640, 179456, 188416, 193476, 224320, 235520, 241845, 257968, 269184, 282624, 322460, 336480, 353280, 358912, 386952, 448640, 471040, 483690, 515936, 538368, 565248, 644920, 672960, 706560, 717824, 773904, 897280, 942080, 967380, 1031872, 1076736, 1289840, 1345920, 1413120, 1435648, 1547808, 1794560, 1934760, 2063744, 2153472, 2579680, 2691840, 2826240, 2871296, 3095616, 3589120, 3869520, 4127488, 4306944, 5159360, 5383680, 5742592, 6191232, 7178240, 7739040, 8254976, 8613888, 10318720, 10767360, 12382464, 14356480, 15478080, 16509952, 17227776, 20637440, 21534720, 24764928, 28712960, 30956160, 33019904, 41274880, 43069440, 49529856, 61912320, 66039808, 82549760, 86138880, 99059712, 123824640, 132079616, 165099520, 198119424, 247649280, 330199040, 396238848, 495298560, 660398080, 990597120, 1981194240]

約数ペア:

[(1, 1981194240), (2, 990597120), (3, 660398080), (4, 495298560), (5, 396238848), (6, 330199040), (8, 247649280), (10, 198119424), (12, 165099520), (15, 132079616), (16, 123824640), (20, 99059712), (23, 86138880), (24, 82549760), (30, 66039808), (32, 61912320), (40, 49529856), (46, 43069440), (48, 41274880), (60, 33019904), (64, 30956160), (69, 28712960), (80, 24764928), (92, 21534720), (96, 20637440), (115, 17227776), (120, 16509952), (128, 15478080), (138, 14356480), (160, 12382464), (184, 10767360), (192, 10318720), (230, 8613888), (240, 8254976), (256, 7739040), (276, 7178240), (320, 6191232), (345, 5742592), (368, 5383680), (384, 5159360), (460, 4306944), (480, 4127488), (512, 3869520), (552, 3589120), (640, 3095616), (690, 2871296), (701, 2826240), (736, 2691840), (768, 2579680), (920, 2153472), (960, 2063744), (1024, 1934760), (1104, 1794560), (1280, 1547808), (1380, 1435648), (1402, 1413120), (1472, 1345920), (1536, 1289840), (1840, 1076736), (1920, 1031872), (2048, 967380), (2103, 942080), (2208, 897280), (2560, 773904), (2760, 717824), (2804, 706560), (2944, 672960), (3072, 644920), (3505, 565248), (3680, 538368), (3840, 515936), (4096, 483690), (4206, 471040), (4416, 448640), (5120, 386952), (5520, 358912), (5608, 353280), (5888, 336480), (6144, 322460), (7010, 282624), (7360, 269184), (7680, 257968), (8192, 241845), (8412, 235520), (8832, 224320), (10240, 193476), (10515, 188416), (11040, 179456), (11216, 176640), (11776, 168240), (12288, 161230), (14020, 141312), (14720, 134592), (15360, 128984), (16123, 122880), (16824, 117760), (17664, 112160), (20480, 96738), (21030, 94208), (22080, 89728), (22432, 88320), (23552, 84120), (24576, 80615), (28040, 70656), (29440, 67296), (30720, 64492), (32246, 61440), (33648, 58880), (35328, 56080), (40960, 48369), (42060, 47104), (44160, 44864)]