637911040

素因数分解:

$2^{14}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 1651456800

約数和(自身を除く): 1013545760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 599, 640, 832, 1024, 1040, 1198, 1280, 1664, 2048, 2080, 2396, 2560, 2995, 3328, 4096, 4160, 4792, 5120, 5990, 6656, 7787, 8192, 8320, 9584, 10240, 11980, 13312, 15574, 16384, 16640, 19168, 20480, 23960, 26624, 31148, 33280, 38336, 38935, 40960, 47920, 53248, 62296, 66560, 76672, 77870, 81920, 95840, 106496, 124592, 133120, 153344, 155740, 191680, 212992, 249184, 266240, 306688, 311480, 383360, 498368, 532480, 613376, 622960, 766720, 996736, 1064960, 1226752, 1245920, 1533440, 1993472, 2453504, 2491840, 3066880, 3986944, 4907008, 4983680, 6133760, 7973888, 9814016, 9967360, 12267520, 15947776, 19934720, 24535040, 31895552, 39869440, 49070080, 63791104, 79738880, 127582208, 159477760, 318955520, 637911040]

約数ペア:

[(1, 637911040), (2, 318955520), (4, 159477760), (5, 127582208), (8, 79738880), (10, 63791104), (13, 49070080), (16, 39869440), (20, 31895552), (26, 24535040), (32, 19934720), (40, 15947776), (52, 12267520), (64, 9967360), (65, 9814016), (80, 7973888), (104, 6133760), (128, 4983680), (130, 4907008), (160, 3986944), (208, 3066880), (256, 2491840), (260, 2453504), (320, 1993472), (416, 1533440), (512, 1245920), (520, 1226752), (599, 1064960), (640, 996736), (832, 766720), (1024, 622960), (1040, 613376), (1198, 532480), (1280, 498368), (1664, 383360), (2048, 311480), (2080, 306688), (2396, 266240), (2560, 249184), (2995, 212992), (3328, 191680), (4096, 155740), (4160, 153344), (4792, 133120), (5120, 124592), (5990, 106496), (6656, 95840), (7787, 81920), (8192, 77870), (8320, 76672), (9584, 66560), (10240, 62296), (11980, 53248), (13312, 47920), (15574, 40960), (16384, 38935), (16640, 38336), (19168, 33280), (20480, 31148), (23960, 26624)]