65393440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 144

約数和(自身を含む): 189604800

約数和(自身を除く): 124211360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 439, 490, 532, 560, 608, 665, 760, 784, 878, 931, 980, 1064, 1120, 1330, 1520, 1568, 1756, 1862, 1960, 2128, 2195, 2660, 3040, 3073, 3512, 3724, 3920, 4256, 4390, 4655, 5320, 6146, 7024, 7448, 7840, 8341, 8780, 9310, 10640, 12292, 14048, 14896, 15365, 16682, 17560, 18620, 21280, 21511, 24584, 29792, 30730, 33364, 35120, 37240, 41705, 43022, 49168, 58387, 61460, 66728, 70240, 74480, 83410, 86044, 98336, 107555, 116774, 122920, 133456, 148960, 166820, 172088, 215110, 233548, 245840, 266912, 291935, 333640, 344176, 408709, 430220, 467096, 491680, 583870, 667280, 688352, 817418, 860440, 934192, 1167740, 1334560, 1634836, 1720880, 1868384, 2043545, 2335480, 3269672, 3441760, 4087090, 4670960, 6539344, 8174180, 9341920, 13078688, 16348360, 32696720, 65393440]

約数ペア:

[(1, 65393440), (2, 32696720), (4, 16348360), (5, 13078688), (7, 9341920), (8, 8174180), (10, 6539344), (14, 4670960), (16, 4087090), (19, 3441760), (20, 3269672), (28, 2335480), (32, 2043545), (35, 1868384), (38, 1720880), (40, 1634836), (49, 1334560), (56, 1167740), (70, 934192), (76, 860440), (80, 817418), (95, 688352), (98, 667280), (112, 583870), (133, 491680), (140, 467096), (152, 430220), (160, 408709), (190, 344176), (196, 333640), (224, 291935), (245, 266912), (266, 245840), (280, 233548), (304, 215110), (380, 172088), (392, 166820), (439, 148960), (490, 133456), (532, 122920), (560, 116774), (608, 107555), (665, 98336), (760, 86044), (784, 83410), (878, 74480), (931, 70240), (980, 66728), (1064, 61460), (1120, 58387), (1330, 49168), (1520, 43022), (1568, 41705), (1756, 37240), (1862, 35120), (1960, 33364), (2128, 30730), (2195, 29792), (2660, 24584), (3040, 21511), (3073, 21280), (3512, 18620), (3724, 17560), (3920, 16682), (4256, 15365), (4390, 14896), (4655, 14048), (5320, 12292), (6146, 10640), (7024, 9310), (7448, 8780), (7840, 8341)]