1304427040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:847

約数の個数: 144

約数和(自身を含む): 3602491200

約数和(自身を除く): 2298064160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 379, 392, 439, 490, 560, 758, 784, 878, 980, 1120, 1516, 1568, 1756, 1895, 1960, 2195, 2653, 3032, 3073, 3512, 3790, 3920, 4390, 5306, 6064, 6146, 7024, 7580, 7840, 8780, 10612, 12128, 12292, 13265, 14048, 15160, 15365, 17560, 18571, 21224, 21511, 24584, 26530, 30320, 30730, 35120, 37142, 42448, 43022, 49168, 53060, 60640, 61460, 70240, 74284, 84896, 86044, 92855, 98336, 106120, 107555, 122920, 148568, 166381, 172088, 185710, 212240, 215110, 245840, 297136, 332762, 344176, 371420, 424480, 430220, 491680, 594272, 665524, 688352, 742840, 831905, 860440, 1164667, 1331048, 1485680, 1663810, 1720880, 2329334, 2662096, 2971360, 3327620, 3441760, 4658668, 5324192, 5823335, 6655240, 8152669, 9317336, 11646670, 13310480, 16305338, 18634672, 23293340, 26620960, 32610676, 37269344, 40763345, 46586680, 65221352, 81526690, 93173360, 130442704, 163053380, 186346720, 260885408, 326106760, 652213520, 1304427040]

約数ペア:

[(1, 1304427040), (2, 652213520), (4, 326106760), (5, 260885408), (7, 186346720), (8, 163053380), (10, 130442704), (14, 93173360), (16, 81526690), (20, 65221352), (28, 46586680), (32, 40763345), (35, 37269344), (40, 32610676), (49, 26620960), (56, 23293340), (70, 18634672), (80, 16305338), (98, 13310480), (112, 11646670), (140, 9317336), (160, 8152669), (196, 6655240), (224, 5823335), (245, 5324192), (280, 4658668), (379, 3441760), (392, 3327620), (439, 2971360), (490, 2662096), (560, 2329334), (758, 1720880), (784, 1663810), (878, 1485680), (980, 1331048), (1120, 1164667), (1516, 860440), (1568, 831905), (1756, 742840), (1895, 688352), (1960, 665524), (2195, 594272), (2653, 491680), (3032, 430220), (3073, 424480), (3512, 371420), (3790, 344176), (3920, 332762), (4390, 297136), (5306, 245840), (6064, 215110), (6146, 212240), (7024, 185710), (7580, 172088), (7840, 166381), (8780, 148568), (10612, 122920), (12128, 107555), (12292, 106120), (13265, 98336), (14048, 92855), (15160, 86044), (15365, 84896), (17560, 74284), (18571, 70240), (21224, 61460), (21511, 60640), (24584, 53060), (26530, 49168), (30320, 43022), (30730, 42448), (35120, 37142)]