81336240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112967}}^1$

素因数の和:112986

約数の個数: 60

約数和(自身を含む): 273156624

約数和(自身を除く): 191820384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112967, 225934, 338901, 451868, 564835, 677802, 903736, 1016703, 1129670, 1355604, 1694505, 1807472, 2033406, 2259340, 2711208, 3389010, 4066812, 4518680, 5083515, 5422416, 6778020, 8133624, 9037360, 10167030, 13556040, 16267248, 20334060, 27112080, 40668120, 81336240]

約数ペア:

[(1, 81336240), (2, 40668120), (3, 27112080), (4, 20334060), (5, 16267248), (6, 13556040), (8, 10167030), (9, 9037360), (10, 8133624), (12, 6778020), (15, 5422416), (16, 5083515), (18, 4518680), (20, 4066812), (24, 3389010), (30, 2711208), (36, 2259340), (40, 2033406), (45, 1807472), (48, 1694505), (60, 1355604), (72, 1129670), (80, 1016703), (90, 903736), (120, 677802), (144, 564835), (180, 451868), (240, 338901), (360, 225934), (720, 112967)]