129878560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{115963}}^1$

素因数の和:115985

約数の個数: 48

約数和(自身を含む): 350675136

約数和(自身を除く): 220796576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 115963, 231926, 463852, 579815, 811741, 927704, 1159630, 1623482, 1855408, 2319260, 3246964, 3710816, 4058705, 4638520, 6493928, 8117410, 9277040, 12987856, 16234820, 18554080, 25975712, 32469640, 64939280, 129878560]

約数ペア:

[(1, 129878560), (2, 64939280), (4, 32469640), (5, 25975712), (7, 18554080), (8, 16234820), (10, 12987856), (14, 9277040), (16, 8117410), (20, 6493928), (28, 4638520), (32, 4058705), (35, 3710816), (40, 3246964), (56, 2319260), (70, 1855408), (80, 1623482), (112, 1159630), (140, 927704), (160, 811741), (224, 579815), (280, 463852), (560, 231926), (1120, 115963)]