531587840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 1475604480

約数和(自身を除く): 944016640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 553, 560, 632, 640, 751, 790, 896, 1106, 1120, 1264, 1280, 1502, 1580, 1792, 2212, 2240, 2528, 2765, 3004, 3160, 3755, 4424, 4480, 5056, 5257, 5530, 6008, 6320, 7510, 8848, 8960, 10112, 10514, 11060, 12016, 12640, 15020, 17696, 20224, 21028, 22120, 24032, 25280, 26285, 30040, 35392, 42056, 44240, 48064, 50560, 52570, 59329, 60080, 70784, 84112, 88480, 96128, 101120, 105140, 118658, 120160, 141568, 168224, 176960, 192256, 210280, 237316, 240320, 296645, 336448, 353920, 415303, 420560, 474632, 480640, 593290, 672896, 707840, 830606, 841120, 949264, 961280, 1186580, 1345792, 1661212, 1682240, 1898528, 2076515, 2373160, 3322424, 3364480, 3797056, 4153030, 4746320, 6644848, 6728960, 7594112, 8306060, 9492640, 13289696, 15188224, 16612120, 18985280, 26579392, 33224240, 37970560, 53158784, 66448480, 75941120, 106317568, 132896960, 265793920, 531587840]

約数ペア:

[(1, 531587840), (2, 265793920), (4, 132896960), (5, 106317568), (7, 75941120), (8, 66448480), (10, 53158784), (14, 37970560), (16, 33224240), (20, 26579392), (28, 18985280), (32, 16612120), (35, 15188224), (40, 13289696), (56, 9492640), (64, 8306060), (70, 7594112), (79, 6728960), (80, 6644848), (112, 4746320), (128, 4153030), (140, 3797056), (158, 3364480), (160, 3322424), (224, 2373160), (256, 2076515), (280, 1898528), (316, 1682240), (320, 1661212), (395, 1345792), (448, 1186580), (553, 961280), (560, 949264), (632, 841120), (640, 830606), (751, 707840), (790, 672896), (896, 593290), (1106, 480640), (1120, 474632), (1264, 420560), (1280, 415303), (1502, 353920), (1580, 336448), (1792, 296645), (2212, 240320), (2240, 237316), (2528, 210280), (2765, 192256), (3004, 176960), (3160, 168224), (3755, 141568), (4424, 120160), (4480, 118658), (5056, 105140), (5257, 101120), (5530, 96128), (6008, 88480), (6320, 84112), (7510, 70784), (8848, 60080), (8960, 59329), (10112, 52570), (10514, 50560), (11060, 48064), (12016, 44240), (12640, 42056), (15020, 35392), (17696, 30040), (20224, 26285), (21028, 25280), (22120, 24032)]