639464040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1776289}}^1$

素因数の和:1776306

約数の個数: 48

約数和(自身を含む): 2078259300

約数和(自身を除く): 1438795260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1776289, 3552578, 5328867, 7105156, 8881445, 10657734, 14210312, 15986601, 17762890, 21315468, 26644335, 31973202, 35525780, 42630936, 53288670, 63946404, 71051560, 79933005, 106577340, 127892808, 159866010, 213154680, 319732020, 639464040]

約数ペア:

[(1, 639464040), (2, 319732020), (3, 213154680), (4, 159866010), (5, 127892808), (6, 106577340), (8, 79933005), (9, 71051560), (10, 63946404), (12, 53288670), (15, 42630936), (18, 35525780), (20, 31973202), (24, 26644335), (30, 21315468), (36, 17762890), (40, 15986601), (45, 14210312), (60, 10657734), (72, 8881445), (90, 7105156), (120, 5328867), (180, 3552578), (360, 1776289)]