400404480

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 416

約数和(自身を含む): 1572672000

約数和(自身を除く): 1172267520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 128, 133, 140, 147, 152, 160, 168, 190, 192, 196, 210, 224, 228, 240, 245, 256, 266, 280, 285, 294, 304, 320, 336, 343, 380, 384, 392, 399, 420, 448, 456, 480, 490, 512, 532, 560, 570, 588, 608, 640, 665, 672, 686, 735, 760, 768, 784, 798, 840, 896, 912, 931, 960, 980, 1024, 1029, 1064, 1120, 1140, 1176, 1216, 1280, 1330, 1344, 1372, 1470, 1520, 1536, 1568, 1596, 1680, 1715, 1792, 1824, 1862, 1920, 1960, 1995, 2048, 2058, 2128, 2240, 2280, 2352, 2432, 2560, 2660, 2688, 2744, 2793, 2940, 3040, 3072, 3136, 3192, 3360, 3430, 3584, 3648, 3724, 3840, 3920, 3990, 4096, 4116, 4256, 4480, 4560, 4655, 4704, 4864, 5120, 5145, 5320, 5376, 5488, 5586, 5880, 6080, 6144, 6272, 6384, 6517, 6720, 6860, 7168, 7296, 7448, 7680, 7840, 7980, 8232, 8512, 8960, 9120, 9310, 9408, 9728, 10240, 10290, 10640, 10752, 10976, 11172, 11760, 12160, 12288, 12544, 12768, 13034, 13440, 13720, 13965, 14336, 14592, 14896, 15360, 15680, 15960, 16464, 17024, 17920, 18240, 18620, 18816, 19456, 19551, 20480, 20580, 21280, 21504, 21952, 22344, 23520, 24320, 25088, 25536, 26068, 26880, 27440, 27930, 28672, 29184, 29792, 30720, 31360, 31920, 32585, 32928, 34048, 35840, 36480, 37240, 37632, 38912, 39102, 41160, 42560, 43008, 43904, 44688, 47040, 48640, 50176, 51072, 52136, 53760, 54880, 55860, 58368, 59584, 61440, 62720, 63840, 65170, 65856, 68096, 71680, 72960, 74480, 75264, 77824, 78204, 82320, 85120, 86016, 87808, 89376, 94080, 97280, 97755, 100352, 102144, 104272, 107520, 109760, 111720, 116736, 119168, 125440, 127680, 130340, 131712, 136192, 143360, 145920, 148960, 150528, 156408, 164640, 170240, 175616, 178752, 188160, 194560, 195510, 200704, 204288, 208544, 215040, 219520, 223440, 233472, 238336, 250880, 255360, 260680, 263424, 272384, 291840, 297920, 301056, 312816, 329280, 340480, 351232, 357504, 376320, 389120, 391020, 408576, 417088, 430080, 439040, 446880, 476672, 501760, 510720, 521360, 526848, 544768, 583680, 595840, 602112, 625632, 658560, 680960, 702464, 715008, 752640, 782040, 817152, 834176, 878080, 893760, 953344, 1003520, 1021440, 1042720, 1053696, 1167360, 1191680, 1251264, 1317120, 1361920, 1404928, 1430016, 1505280, 1564080, 1634304, 1668352, 1756160, 1787520, 1906688, 2042880, 2085440, 2107392, 2383360, 2502528, 2634240, 2723840, 2860032, 3010560, 3128160, 3336704, 3512320, 3575040, 3813376, 4085760, 4170880, 4214784, 4766720, 5005056, 5268480, 5720064, 6256320, 6673408, 7024640, 7150080, 8171520, 8341760, 9533440, 10010112, 10536960, 11440128, 12512640, 13346816, 14300160, 16683520, 19066880, 20020224, 21073920, 25025280, 26693632, 28600320, 33367040, 40040448, 50050560, 57200640, 66734080, 80080896, 100101120, 133468160, 200202240, 400404480]

約数ペア:

[(1, 400404480), (2, 200202240), (3, 133468160), (4, 100101120), (5, 80080896), (6, 66734080), (7, 57200640), (8, 50050560), (10, 40040448), (12, 33367040), (14, 28600320), (15, 26693632), (16, 25025280), (19, 21073920), (20, 20020224), (21, 19066880), (24, 16683520), (28, 14300160), (30, 13346816), (32, 12512640), (35, 11440128), (38, 10536960), (40, 10010112), (42, 9533440), (48, 8341760), (49, 8171520), (56, 7150080), (57, 7024640), (60, 6673408), (64, 6256320), (70, 5720064), (76, 5268480), (80, 5005056), (84, 4766720), (95, 4214784), (96, 4170880), (98, 4085760), (105, 3813376), (112, 3575040), (114, 3512320), (120, 3336704), (128, 3128160), (133, 3010560), (140, 2860032), (147, 2723840), (152, 2634240), (160, 2502528), (168, 2383360), (190, 2107392), (192, 2085440), (196, 2042880), (210, 1906688), (224, 1787520), (228, 1756160), (240, 1668352), (245, 1634304), (256, 1564080), (266, 1505280), (280, 1430016), (285, 1404928), (294, 1361920), (304, 1317120), (320, 1251264), (336, 1191680), (343, 1167360), (380, 1053696), (384, 1042720), (392, 1021440), (399, 1003520), (420, 953344), (448, 893760), (456, 878080), (480, 834176), (490, 817152), (512, 782040), (532, 752640), (560, 715008), (570, 702464), (588, 680960), (608, 658560), (640, 625632), (665, 602112), (672, 595840), (686, 583680), (735, 544768), (760, 526848), (768, 521360), (784, 510720), (798, 501760), (840, 476672), (896, 446880), (912, 439040), (931, 430080), (960, 417088), (980, 408576), (1024, 391020), (1029, 389120), (1064, 376320), (1120, 357504), (1140, 351232), (1176, 340480), (1216, 329280), (1280, 312816), (1330, 301056), (1344, 297920), (1372, 291840), (1470, 272384), (1520, 263424), (1536, 260680), (1568, 255360), (1596, 250880), (1680, 238336), (1715, 233472), (1792, 223440), (1824, 219520), (1862, 215040), (1920, 208544), (1960, 204288), (1995, 200704), (2048, 195510), (2058, 194560), (2128, 188160), (2240, 178752), (2280, 175616), (2352, 170240), (2432, 164640), (2560, 156408), (2660, 150528), (2688, 148960), (2744, 145920), (2793, 143360), (2940, 136192), (3040, 131712), (3072, 130340), (3136, 127680), (3192, 125440), (3360, 119168), (3430, 116736), (3584, 111720), (3648, 109760), (3724, 107520), (3840, 104272), (3920, 102144), (3990, 100352), (4096, 97755), (4116, 97280), (4256, 94080), (4480, 89376), (4560, 87808), (4655, 86016), (4704, 85120), (4864, 82320), (5120, 78204), (5145, 77824), (5320, 75264), (5376, 74480), (5488, 72960), (5586, 71680), (5880, 68096), (6080, 65856), (6144, 65170), (6272, 63840), (6384, 62720), (6517, 61440), (6720, 59584), (6860, 58368), (7168, 55860), (7296, 54880), (7448, 53760), (7680, 52136), (7840, 51072), (7980, 50176), (8232, 48640), (8512, 47040), (8960, 44688), (9120, 43904), (9310, 43008), (9408, 42560), (9728, 41160), (10240, 39102), (10290, 38912), (10640, 37632), (10752, 37240), (10976, 36480), (11172, 35840), (11760, 34048), (12160, 32928), (12288, 32585), (12544, 31920), (12768, 31360), (13034, 30720), (13440, 29792), (13720, 29184), (13965, 28672), (14336, 27930), (14592, 27440), (14896, 26880), (15360, 26068), (15680, 25536), (15960, 25088), (16464, 24320), (17024, 23520), (17920, 22344), (18240, 21952), (18620, 21504), (18816, 21280), (19456, 20580), (19551, 20480)]