30687560

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1831}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 69249600

約数和(自身を除く): 38562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1831, 2095, 3352, 3662, 4190, 7324, 8380, 9155, 14648, 16760, 18310, 36620, 73240, 767189, 1534378, 3068756, 3835945, 6137512, 7671890, 15343780, 30687560]

約数ペア:

[(1, 30687560), (2, 15343780), (4, 7671890), (5, 6137512), (8, 3835945), (10, 3068756), (20, 1534378), (40, 767189), (419, 73240), (838, 36620), (1676, 18310), (1831, 16760), (2095, 14648), (3352, 9155), (3662, 8380), (4190, 7324)]