31544320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 88

約数和(自身を含む): 77671368

約数和(自身を除く): 46127048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 101, 122, 128, 160, 202, 244, 256, 305, 320, 404, 488, 505, 512, 610, 640, 808, 976, 1010, 1024, 1220, 1280, 1616, 1952, 2020, 2440, 2560, 3232, 3904, 4040, 4880, 5120, 6161, 6464, 7808, 8080, 9760, 12322, 12928, 15616, 16160, 19520, 24644, 25856, 30805, 31232, 32320, 39040, 49288, 51712, 61610, 62464, 64640, 78080, 98576, 103424, 123220, 129280, 156160, 197152, 246440, 258560, 312320, 394304, 492880, 517120, 788608, 985760, 1577216, 1971520, 3154432, 3943040, 6308864, 7886080, 15772160, 31544320]

約数ペア:

[(1, 31544320), (2, 15772160), (4, 7886080), (5, 6308864), (8, 3943040), (10, 3154432), (16, 1971520), (20, 1577216), (32, 985760), (40, 788608), (61, 517120), (64, 492880), (80, 394304), (101, 312320), (122, 258560), (128, 246440), (160, 197152), (202, 156160), (244, 129280), (256, 123220), (305, 103424), (320, 98576), (404, 78080), (488, 64640), (505, 62464), (512, 61610), (610, 51712), (640, 49288), (808, 39040), (976, 32320), (1010, 31232), (1024, 30805), (1220, 25856), (1280, 24644), (1616, 19520), (1952, 16160), (2020, 15616), (2440, 12928), (2560, 12322), (3232, 9760), (3904, 8080), (4040, 7808), (4880, 6464), (5120, 6161)]