17780970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 43700832

約数和(自身を除く): 25919862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 211, 265, 318, 422, 530, 633, 795, 1055, 1266, 1590, 2110, 2809, 3165, 5618, 6330, 8427, 11183, 14045, 16854, 22366, 28090, 33549, 42135, 55915, 67098, 84270, 111830, 167745, 335490, 592699, 1185398, 1778097, 2963495, 3556194, 5926990, 8890485, 17780970]

約数ペア:

[(1, 17780970), (2, 8890485), (3, 5926990), (5, 3556194), (6, 2963495), (10, 1778097), (15, 1185398), (30, 592699), (53, 335490), (106, 167745), (159, 111830), (211, 84270), (265, 67098), (318, 55915), (422, 42135), (530, 33549), (633, 28090), (795, 22366), (1055, 16854), (1266, 14045), (1590, 11183), (2110, 8427), (2809, 6330), (3165, 5618)]