828180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 2594592

約数和(自身を除く): 1766412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 107, 129, 172, 180, 214, 215, 258, 321, 387, 428, 430, 516, 535, 642, 645, 774, 860, 963, 1070, 1284, 1290, 1548, 1605, 1926, 1935, 2140, 2580, 3210, 3852, 3870, 4601, 4815, 6420, 7740, 9202, 9630, 13803, 18404, 19260, 23005, 27606, 41409, 46010, 55212, 69015, 82818, 92020, 138030, 165636, 207045, 276060, 414090, 828180]

約数ペア:

[(1, 828180), (2, 414090), (3, 276060), (4, 207045), (5, 165636), (6, 138030), (9, 92020), (10, 82818), (12, 69015), (15, 55212), (18, 46010), (20, 41409), (30, 27606), (36, 23005), (43, 19260), (45, 18404), (60, 13803), (86, 9630), (90, 9202), (107, 7740), (129, 6420), (172, 4815), (180, 4601), (214, 3870), (215, 3852), (258, 3210), (321, 2580), (387, 2140), (428, 1935), (430, 1926), (516, 1605), (535, 1548), (642, 1290), (645, 1284), (774, 1070), (860, 963)]