8180820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 25369344

約数和(自身を除く): 17188524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 967, 1410, 1692, 1934, 2115, 2820, 2901, 3868, 4230, 4835, 5802, 8460, 8703, 9670, 11604, 14505, 17406, 19340, 29010, 34812, 43515, 45449, 58020, 87030, 90898, 136347, 174060, 181796, 227245, 272694, 409041, 454490, 545388, 681735, 818082, 908980, 1363470, 1636164, 2045205, 2726940, 4090410, 8180820]

約数ペア:

[(1, 8180820), (2, 4090410), (3, 2726940), (4, 2045205), (5, 1636164), (6, 1363470), (9, 908980), (10, 818082), (12, 681735), (15, 545388), (18, 454490), (20, 409041), (30, 272694), (36, 227245), (45, 181796), (47, 174060), (60, 136347), (90, 90898), (94, 87030), (141, 58020), (180, 45449), (188, 43515), (235, 34812), (282, 29010), (423, 19340), (470, 17406), (564, 14505), (705, 11604), (846, 9670), (940, 8703), (967, 8460), (1410, 5802), (1692, 4835), (1934, 4230), (2115, 3868), (2820, 2901)]