1321873280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22697}}^1$

素因数の和:22736

約数の個数: 128

約数和(自身を含む): 3889529280

約数和(自身を除く): 2567656000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 22697, 29120, 45394, 58240, 90788, 113485, 158879, 181576, 226970, 295061, 317758, 363152, 453940, 590122, 635516, 726304, 794395, 907880, 1180244, 1271032, 1452608, 1475305, 1588790, 1815760, 2065427, 2360488, 2542064, 2905216, 2950610, 3177580, 3631520, 4130854, 4720976, 5084128, 5901220, 6355160, 7263040, 8261708, 9441952, 10168256, 10327135, 11802440, 12710320, 14526080, 16523416, 18883904, 20336512, 20654270, 23604880, 25420640, 33046832, 37767808, 41308540, 47209760, 50841280, 66093664, 82617080, 94419520, 101682560, 132187328, 165234160, 188839040, 264374656, 330468320, 660936640, 1321873280]

約数ペア:

[(1, 1321873280), (2, 660936640), (4, 330468320), (5, 264374656), (7, 188839040), (8, 165234160), (10, 132187328), (13, 101682560), (14, 94419520), (16, 82617080), (20, 66093664), (26, 50841280), (28, 47209760), (32, 41308540), (35, 37767808), (40, 33046832), (52, 25420640), (56, 23604880), (64, 20654270), (65, 20336512), (70, 18883904), (80, 16523416), (91, 14526080), (104, 12710320), (112, 11802440), (128, 10327135), (130, 10168256), (140, 9441952), (160, 8261708), (182, 7263040), (208, 6355160), (224, 5901220), (260, 5084128), (280, 4720976), (320, 4130854), (364, 3631520), (416, 3177580), (448, 2950610), (455, 2905216), (520, 2542064), (560, 2360488), (640, 2065427), (728, 1815760), (832, 1588790), (896, 1475305), (910, 1452608), (1040, 1271032), (1120, 1180244), (1456, 907880), (1664, 794395), (1820, 726304), (2080, 635516), (2240, 590122), (2912, 453940), (3640, 363152), (4160, 317758), (4480, 295061), (5824, 226970), (7280, 181576), (8320, 158879), (11648, 113485), (14560, 90788), (22697, 58240), (29120, 45394)]