316848640

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2029}}^1$

素因数の和:2113

約数の個数: 80

約数和(自身を含む): 772528680

約数和(自身を除く): 455680040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1220, 1280, 1952, 2029, 2440, 2560, 3904, 4058, 4880, 7808, 8116, 9760, 10145, 15616, 16232, 19520, 20290, 31232, 32464, 39040, 40580, 64928, 78080, 81160, 123769, 129856, 156160, 162320, 247538, 259712, 324640, 495076, 519424, 618845, 649280, 990152, 1038848, 1237690, 1298560, 1980304, 2475380, 2597120, 3960608, 4950760, 5194240, 7921216, 9901520, 15842432, 19803040, 31684864, 39606080, 63369728, 79212160, 158424320, 316848640]

約数ペア:

[(1, 316848640), (2, 158424320), (4, 79212160), (5, 63369728), (8, 39606080), (10, 31684864), (16, 19803040), (20, 15842432), (32, 9901520), (40, 7921216), (61, 5194240), (64, 4950760), (80, 3960608), (122, 2597120), (128, 2475380), (160, 1980304), (244, 1298560), (256, 1237690), (305, 1038848), (320, 990152), (488, 649280), (512, 618845), (610, 519424), (640, 495076), (976, 324640), (1220, 259712), (1280, 247538), (1952, 162320), (2029, 156160), (2440, 129856), (2560, 123769), (3904, 81160), (4058, 78080), (4880, 64928), (7808, 40580), (8116, 39040), (9760, 32464), (10145, 31232), (15616, 20290), (16232, 19520)]