1691680

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 4074840

約数和(自身を除く): 2383160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 109, 160, 194, 218, 388, 436, 485, 545, 776, 872, 970, 1090, 1552, 1744, 1940, 2180, 3104, 3488, 3880, 4360, 7760, 8720, 10573, 15520, 17440, 21146, 42292, 52865, 84584, 105730, 169168, 211460, 338336, 422920, 845840, 1691680]

約数ペア:

[(1, 1691680), (2, 845840), (4, 422920), (5, 338336), (8, 211460), (10, 169168), (16, 105730), (20, 84584), (32, 52865), (40, 42292), (80, 21146), (97, 17440), (109, 15520), (160, 10573), (194, 8720), (218, 7760), (388, 4360), (436, 3880), (485, 3488), (545, 3104), (776, 2180), (872, 1940), (970, 1744), (1090, 1552)]