16278814720

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 272

約数和(自身を含む): 45902112768

約数和(自身を除く): 29623298048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 151, 160, 188, 224, 235, 256, 280, 302, 320, 329, 376, 448, 470, 512, 560, 604, 640, 658, 752, 755, 896, 940, 1024, 1057, 1120, 1208, 1280, 1316, 1504, 1510, 1645, 1792, 1880, 2048, 2114, 2240, 2416, 2560, 2632, 3008, 3020, 3290, 3584, 3760, 4096, 4228, 4480, 4832, 5120, 5264, 5285, 6016, 6040, 6580, 7097, 7168, 7520, 8192, 8456, 8960, 9664, 10240, 10528, 10570, 12032, 12080, 13160, 14194, 14336, 15040, 16384, 16912, 17920, 19328, 20480, 21056, 21140, 24064, 24160, 26320, 28388, 28672, 30080, 32768, 33824, 35485, 35840, 38656, 40960, 42112, 42280, 48128, 48320, 49679, 52640, 56776, 57344, 60160, 65536, 67648, 70970, 71680, 77312, 81920, 84224, 84560, 96256, 96640, 99358, 105280, 113552, 114688, 120320, 135296, 141940, 143360, 154624, 163840, 168448, 169120, 192512, 193280, 198716, 210560, 227104, 229376, 240640, 248395, 270592, 283880, 286720, 309248, 327680, 336896, 338240, 385024, 386560, 397432, 421120, 454208, 458752, 481280, 496790, 541184, 567760, 573440, 618496, 673792, 676480, 770048, 773120, 794864, 842240, 908416, 962560, 993580, 1082368, 1135520, 1146880, 1236992, 1347584, 1352960, 1540096, 1546240, 1589728, 1684480, 1816832, 1925120, 1987160, 2164736, 2271040, 2293760, 2473984, 2695168, 2705920, 3080192, 3092480, 3179456, 3368960, 3633664, 3850240, 3974320, 4329472, 4542080, 4947968, 5390336, 5411840, 6184960, 6358912, 6737920, 7267328, 7700480, 7948640, 8658944, 9084160, 9895936, 10780672, 10823680, 12369920, 12717824, 13475840, 14534656, 15400960, 15897280, 17317888, 18168320, 21561344, 21647360, 24739840, 25435648, 26951680, 29069312, 31794560, 34635776, 36336640, 43294720, 49479680, 50871296, 53903360, 58138624, 63589120, 69271552, 72673280, 86589440, 101742592, 107806720, 116277248, 127178240, 145346560, 173178880, 203485184, 232554496, 254356480, 290693120, 346357760, 406970368, 465108992, 508712960, 581386240, 813940736, 1017425920, 1162772480, 1627881472, 2034851840, 2325544960, 3255762944, 4069703680, 8139407360, 16278814720]

約数ペア:

[(1, 16278814720), (2, 8139407360), (4, 4069703680), (5, 3255762944), (7, 2325544960), (8, 2034851840), (10, 1627881472), (14, 1162772480), (16, 1017425920), (20, 813940736), (28, 581386240), (32, 508712960), (35, 465108992), (40, 406970368), (47, 346357760), (56, 290693120), (64, 254356480), (70, 232554496), (80, 203485184), (94, 173178880), (112, 145346560), (128, 127178240), (140, 116277248), (151, 107806720), (160, 101742592), (188, 86589440), (224, 72673280), (235, 69271552), (256, 63589120), (280, 58138624), (302, 53903360), (320, 50871296), (329, 49479680), (376, 43294720), (448, 36336640), (470, 34635776), (512, 31794560), (560, 29069312), (604, 26951680), (640, 25435648), (658, 24739840), (752, 21647360), (755, 21561344), (896, 18168320), (940, 17317888), (1024, 15897280), (1057, 15400960), (1120, 14534656), (1208, 13475840), (1280, 12717824), (1316, 12369920), (1504, 10823680), (1510, 10780672), (1645, 9895936), (1792, 9084160), (1880, 8658944), (2048, 7948640), (2114, 7700480), (2240, 7267328), (2416, 6737920), (2560, 6358912), (2632, 6184960), (3008, 5411840), (3020, 5390336), (3290, 4947968), (3584, 4542080), (3760, 4329472), (4096, 3974320), (4228, 3850240), (4480, 3633664), (4832, 3368960), (5120, 3179456), (5264, 3092480), (5285, 3080192), (6016, 2705920), (6040, 2695168), (6580, 2473984), (7097, 2293760), (7168, 2271040), (7520, 2164736), (8192, 1987160), (8456, 1925120), (8960, 1816832), (9664, 1684480), (10240, 1589728), (10528, 1546240), (10570, 1540096), (12032, 1352960), (12080, 1347584), (13160, 1236992), (14194, 1146880), (14336, 1135520), (15040, 1082368), (16384, 993580), (16912, 962560), (17920, 908416), (19328, 842240), (20480, 794864), (21056, 773120), (21140, 770048), (24064, 676480), (24160, 673792), (26320, 618496), (28388, 573440), (28672, 567760), (30080, 541184), (32768, 496790), (33824, 481280), (35485, 458752), (35840, 454208), (38656, 421120), (40960, 397432), (42112, 386560), (42280, 385024), (48128, 338240), (48320, 336896), (49679, 327680), (52640, 309248), (56776, 286720), (57344, 283880), (60160, 270592), (65536, 248395), (67648, 240640), (70970, 229376), (71680, 227104), (77312, 210560), (81920, 198716), (84224, 193280), (84560, 192512), (96256, 169120), (96640, 168448), (99358, 163840), (105280, 154624), (113552, 143360), (114688, 141940), (120320, 135296)]