256542120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 128

約数和(自身を含む): 884736000

約数和(自身を除く): 628193880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 8191, 10440, 15660, 16382, 24573, 31320, 32764, 40955, 49146, 65528, 73719, 81910, 98292, 122865, 147438, 163820, 196584, 221157, 237539, 245730, 294876, 327640, 368595, 442314, 475078, 491460, 589752, 712617, 737190, 884628, 950156, 982920, 1105785, 1187695, 1425234, 1474380, 1769256, 1900312, 2137851, 2211570, 2375390, 2850468, 2948760, 3563085, 4275702, 4423140, 4750780, 5700936, 6413553, 7126170, 8551404, 8846280, 9501560, 10689255, 12827106, 14252340, 17102808, 21378510, 25654212, 28504680, 32067765, 42757020, 51308424, 64135530, 85514040, 128271060, 256542120]

約数ペア:

[(1, 256542120), (2, 128271060), (3, 85514040), (4, 64135530), (5, 51308424), (6, 42757020), (8, 32067765), (9, 28504680), (10, 25654212), (12, 21378510), (15, 17102808), (18, 14252340), (20, 12827106), (24, 10689255), (27, 9501560), (29, 8846280), (30, 8551404), (36, 7126170), (40, 6413553), (45, 5700936), (54, 4750780), (58, 4423140), (60, 4275702), (72, 3563085), (87, 2948760), (90, 2850468), (108, 2375390), (116, 2211570), (120, 2137851), (135, 1900312), (145, 1769256), (174, 1474380), (180, 1425234), (216, 1187695), (232, 1105785), (261, 982920), (270, 950156), (290, 884628), (348, 737190), (360, 712617), (435, 589752), (522, 491460), (540, 475078), (580, 442314), (696, 368595), (783, 327640), (870, 294876), (1044, 245730), (1080, 237539), (1160, 221157), (1305, 196584), (1566, 163820), (1740, 147438), (2088, 122865), (2610, 98292), (3132, 81910), (3480, 73719), (3915, 65528), (5220, 49146), (6264, 40955), (7830, 32764), (8191, 31320), (10440, 24573), (15660, 16382)]