256517640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3617}}^1$

素因数の和:3831

約数の個数: 96

約数和(自身を含む): 838145880

約数和(自身を除く): 581628240

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, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3546, 3617, 3940, 4728, 5910, 7092, 7234, 7880, 8865, 10851, 11820, 14184, 14468, 17730, 18085, 21702, 23640, 28936, 32553, 35460, 36170, 43404, 54255, 65106, 70920, 72340, 86808, 108510, 130212, 144680, 162765, 217020, 260424, 325530, 434040, 651060, 712549, 1302120, 1425098, 2137647, 2850196, 3562745, 4275294, 5700392, 6412941, 7125490, 8550588, 10688235, 12825882, 14250980, 17101176, 21376470, 25651764, 28501960, 32064705, 42752940, 51303528, 64129410, 85505880, 128258820, 256517640]

約数ペア:

[(1, 256517640), (2, 128258820), (3, 85505880), (4, 64129410), (5, 51303528), (6, 42752940), (8, 32064705), (9, 28501960), (10, 25651764), (12, 21376470), (15, 17101176), (18, 14250980), (20, 12825882), (24, 10688235), (30, 8550588), (36, 7125490), (40, 6412941), (45, 5700392), (60, 4275294), (72, 3562745), (90, 2850196), (120, 2137647), (180, 1425098), (197, 1302120), (360, 712549), (394, 651060), (591, 434040), (788, 325530), (985, 260424), (1182, 217020), (1576, 162765), (1773, 144680), (1970, 130212), (2364, 108510), (2955, 86808), (3546, 72340), (3617, 70920), (3940, 65106), (4728, 54255), (5910, 43404), (7092, 36170), (7234, 35460), (7880, 32553), (8865, 28936), (10851, 23640), (11820, 21702), (14184, 18085), (14468, 17730)]