78804720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109451}}^1$

素因数の和:109470

約数の個数: 60

約数和(自身を含む): 264654936

約数和(自身を除く): 185850216

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, 109451, 218902, 328353, 437804, 547255, 656706, 875608, 985059, 1094510, 1313412, 1641765, 1751216, 1970118, 2189020, 2626824, 3283530, 3940236, 4378040, 4925295, 5253648, 6567060, 7880472, 8756080, 9850590, 13134120, 15760944, 19701180, 26268240, 39402360, 78804720]

約数ペア:

[(1, 78804720), (2, 39402360), (3, 26268240), (4, 19701180), (5, 15760944), (6, 13134120), (8, 9850590), (9, 8756080), (10, 7880472), (12, 6567060), (15, 5253648), (16, 4925295), (18, 4378040), (20, 3940236), (24, 3283530), (30, 2626824), (36, 2189020), (40, 1970118), (45, 1751216), (48, 1641765), (60, 1313412), (72, 1094510), (80, 985059), (90, 875608), (120, 656706), (144, 547255), (180, 437804), (240, 328353), (360, 218902), (720, 109451)]