31774960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2510

約数の個数: 80

約数和(自身を含む): 88137216

約数和(自身を除く): 56362256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2467, 2576, 3220, 4934, 6440, 9868, 12335, 12880, 17269, 19736, 24670, 34538, 39472, 49340, 56741, 69076, 86345, 98680, 113482, 138152, 172690, 197360, 226964, 276304, 283705, 345380, 397187, 453928, 567410, 690760, 794374, 907856, 1134820, 1381520, 1588748, 1985935, 2269640, 3177496, 3971870, 4539280, 6354992, 7943740, 15887480, 31774960]

約数ペア:

[(1, 31774960), (2, 15887480), (4, 7943740), (5, 6354992), (7, 4539280), (8, 3971870), (10, 3177496), (14, 2269640), (16, 1985935), (20, 1588748), (23, 1381520), (28, 1134820), (35, 907856), (40, 794374), (46, 690760), (56, 567410), (70, 453928), (80, 397187), (92, 345380), (112, 283705), (115, 276304), (140, 226964), (161, 197360), (184, 172690), (230, 138152), (280, 113482), (322, 98680), (368, 86345), (460, 69076), (560, 56741), (644, 49340), (805, 39472), (920, 34538), (1288, 24670), (1610, 19736), (1840, 17269), (2467, 12880), (2576, 12335), (3220, 9868), (4934, 6440)]