216900540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1823}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 659288448

約数和(自身を除く): 442387908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1823, 1983, 2644, 3305, 3646, 3966, 5469, 5949, 6610, 7292, 7932, 9115, 9915, 10938, 11898, 13220, 16407, 18230, 19830, 21876, 23796, 27345, 29745, 32814, 36460, 39660, 54690, 59490, 65628, 82035, 109380, 118980, 164070, 328140, 1205003, 2410006, 3615009, 4820012, 6025015, 7230018, 10845027, 12050030, 14460036, 18075045, 21690054, 24100060, 36150090, 43380108, 54225135, 72300180, 108450270, 216900540]

約数ペア:

[(1, 216900540), (2, 108450270), (3, 72300180), (4, 54225135), (5, 43380108), (6, 36150090), (9, 24100060), (10, 21690054), (12, 18075045), (15, 14460036), (18, 12050030), (20, 10845027), (30, 7230018), (36, 6025015), (45, 4820012), (60, 3615009), (90, 2410006), (180, 1205003), (661, 328140), (1322, 164070), (1823, 118980), (1983, 109380), (2644, 82035), (3305, 65628), (3646, 59490), (3966, 54690), (5469, 39660), (5949, 36460), (6610, 32814), (7292, 29745), (7932, 27345), (9115, 23796), (9915, 21876), (10938, 19830), (11898, 18230), (13220, 16407)]