81312120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75289}}^1$

素因数の和:75309

約数の個数: 64

約数和(自身を含む): 271044000

約数和(自身を除く): 189731880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75289, 150578, 225867, 301156, 376445, 451734, 602312, 677601, 752890, 903468, 1129335, 1355202, 1505780, 1806936, 2032803, 2258670, 2710404, 3011560, 3388005, 4065606, 4517340, 5420808, 6776010, 8131212, 9034680, 10164015, 13552020, 16262424, 20328030, 27104040, 40656060, 81312120]

約数ペア:

[(1, 81312120), (2, 40656060), (3, 27104040), (4, 20328030), (5, 16262424), (6, 13552020), (8, 10164015), (9, 9034680), (10, 8131212), (12, 6776010), (15, 5420808), (18, 4517340), (20, 4065606), (24, 3388005), (27, 3011560), (30, 2710404), (36, 2258670), (40, 2032803), (45, 1806936), (54, 1505780), (60, 1355202), (72, 1129335), (90, 903468), (108, 752890), (120, 677601), (135, 602312), (180, 451734), (216, 376445), (270, 301156), (360, 225867), (540, 150578), (1080, 75289)]