15123760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2393}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 35622720

約数和(自身を除く): 20498960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2393, 3160, 4786, 6320, 9572, 11965, 19144, 23930, 38288, 47860, 95720, 189047, 191440, 378094, 756188, 945235, 1512376, 1890470, 3024752, 3780940, 7561880, 15123760]

約数ペア:

[(1, 15123760), (2, 7561880), (4, 3780940), (5, 3024752), (8, 1890470), (10, 1512376), (16, 945235), (20, 756188), (40, 378094), (79, 191440), (80, 189047), (158, 95720), (316, 47860), (395, 38288), (632, 23930), (790, 19144), (1264, 11965), (1580, 9572), (2393, 6320), (3160, 4786)]