15887480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2508

約数の個数: 64

約数和(自身を含む): 42647040

約数和(自身を除く): 26759560

約数列:

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

約数ペア:

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