28691520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 336

約数和(自身を含む): 113507520

約数和(自身を除く): 84816000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 19, 20, 22, 24, 26, 30, 32, 33, 38, 39, 40, 44, 48, 52, 55, 57, 60, 64, 65, 66, 76, 78, 80, 88, 95, 96, 104, 110, 114, 120, 121, 130, 132, 143, 152, 156, 160, 165, 176, 190, 192, 195, 208, 209, 220, 228, 240, 242, 247, 260, 264, 285, 286, 304, 312, 320, 330, 352, 363, 380, 390, 416, 418, 429, 440, 456, 480, 484, 494, 520, 528, 570, 572, 605, 608, 624, 627, 660, 704, 715, 726, 741, 760, 780, 832, 836, 858, 880, 912, 960, 968, 988, 1040, 1045, 1056, 1140, 1144, 1210, 1216, 1235, 1248, 1254, 1320, 1430, 1452, 1482, 1520, 1560, 1573, 1672, 1716, 1760, 1815, 1824, 1936, 1976, 2080, 2090, 2112, 2145, 2280, 2288, 2299, 2420, 2470, 2496, 2508, 2640, 2717, 2860, 2904, 2964, 3040, 3120, 3135, 3146, 3344, 3432, 3520, 3630, 3648, 3705, 3872, 3952, 4160, 4180, 4290, 4560, 4576, 4598, 4719, 4840, 4940, 5016, 5280, 5434, 5720, 5808, 5928, 6080, 6240, 6270, 6292, 6688, 6864, 6897, 7260, 7410, 7744, 7865, 7904, 8151, 8360, 8580, 9120, 9152, 9196, 9438, 9680, 9880, 10032, 10560, 10868, 11440, 11495, 11616, 11856, 12480, 12540, 12584, 13376, 13585, 13728, 13794, 14520, 14820, 15730, 15808, 16302, 16720, 17160, 18240, 18392, 18876, 19360, 19760, 20064, 21736, 22880, 22990, 23232, 23595, 23712, 25080, 25168, 27170, 27456, 27588, 29040, 29640, 29887, 31460, 32604, 33440, 34320, 34485, 36784, 37752, 38720, 39520, 40128, 40755, 43472, 45760, 45980, 47190, 47424, 50160, 50336, 54340, 55176, 58080, 59280, 59774, 62920, 65208, 66880, 68640, 68970, 73568, 75504, 79040, 81510, 86944, 89661, 91960, 94380, 100320, 100672, 108680, 110352, 116160, 118560, 119548, 125840, 130416, 137280, 137940, 147136, 149435, 151008, 163020, 173888, 179322, 183920, 188760, 200640, 217360, 220704, 237120, 239096, 251680, 260832, 275880, 298870, 302016, 326040, 358644, 367840, 377520, 434720, 441408, 448305, 478192, 503360, 521664, 551760, 597740, 652080, 717288, 735680, 755040, 869440, 896610, 956384, 1103520, 1195480, 1304160, 1434576, 1510080, 1793220, 1912768, 2207040, 2390960, 2608320, 2869152, 3586440, 4781920, 5738304, 7172880, 9563840, 14345760, 28691520]

約数ペア:

[(1, 28691520), (2, 14345760), (3, 9563840), (4, 7172880), (5, 5738304), (6, 4781920), (8, 3586440), (10, 2869152), (11, 2608320), (12, 2390960), (13, 2207040), (15, 1912768), (16, 1793220), (19, 1510080), (20, 1434576), (22, 1304160), (24, 1195480), (26, 1103520), (30, 956384), (32, 896610), (33, 869440), (38, 755040), (39, 735680), (40, 717288), (44, 652080), (48, 597740), (52, 551760), (55, 521664), (57, 503360), (60, 478192), (64, 448305), (65, 441408), (66, 434720), (76, 377520), (78, 367840), (80, 358644), (88, 326040), (95, 302016), (96, 298870), (104, 275880), (110, 260832), (114, 251680), (120, 239096), (121, 237120), (130, 220704), (132, 217360), (143, 200640), (152, 188760), (156, 183920), (160, 179322), (165, 173888), (176, 163020), (190, 151008), (192, 149435), (195, 147136), (208, 137940), (209, 137280), (220, 130416), (228, 125840), (240, 119548), (242, 118560), (247, 116160), (260, 110352), (264, 108680), (285, 100672), (286, 100320), (304, 94380), (312, 91960), (320, 89661), (330, 86944), (352, 81510), (363, 79040), (380, 75504), (390, 73568), (416, 68970), (418, 68640), (429, 66880), (440, 65208), (456, 62920), (480, 59774), (484, 59280), (494, 58080), (520, 55176), (528, 54340), (570, 50336), (572, 50160), (605, 47424), (608, 47190), (624, 45980), (627, 45760), (660, 43472), (704, 40755), (715, 40128), (726, 39520), (741, 38720), (760, 37752), (780, 36784), (832, 34485), (836, 34320), (858, 33440), (880, 32604), (912, 31460), (960, 29887), (968, 29640), (988, 29040), (1040, 27588), (1045, 27456), (1056, 27170), (1140, 25168), (1144, 25080), (1210, 23712), (1216, 23595), (1235, 23232), (1248, 22990), (1254, 22880), (1320, 21736), (1430, 20064), (1452, 19760), (1482, 19360), (1520, 18876), (1560, 18392), (1573, 18240), (1672, 17160), (1716, 16720), (1760, 16302), (1815, 15808), (1824, 15730), (1936, 14820), (1976, 14520), (2080, 13794), (2090, 13728), (2112, 13585), (2145, 13376), (2280, 12584), (2288, 12540), (2299, 12480), (2420, 11856), (2470, 11616), (2496, 11495), (2508, 11440), (2640, 10868), (2717, 10560), (2860, 10032), (2904, 9880), (2964, 9680), (3040, 9438), (3120, 9196), (3135, 9152), (3146, 9120), (3344, 8580), (3432, 8360), (3520, 8151), (3630, 7904), (3648, 7865), (3705, 7744), (3872, 7410), (3952, 7260), (4160, 6897), (4180, 6864), (4290, 6688), (4560, 6292), (4576, 6270), (4598, 6240), (4719, 6080), (4840, 5928), (4940, 5808), (5016, 5720), (5280, 5434)]