2018135680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1122

約数の個数: 128

約数和(自身を含む): 5283273600

約数和(自身を除く): 3265137920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 439, 440, 640, 653, 704, 878, 880, 1306, 1408, 1756, 1760, 2195, 2612, 3265, 3512, 3520, 4390, 4829, 5224, 6530, 7024, 7040, 7183, 8780, 9658, 10448, 13060, 14048, 14366, 17560, 19316, 20896, 24145, 26120, 28096, 28732, 35120, 35915, 38632, 41792, 48290, 52240, 56192, 57464, 70240, 71830, 77264, 83584, 96580, 104480, 114928, 140480, 143660, 154528, 193160, 208960, 229856, 280960, 286667, 287320, 309056, 386320, 417920, 459712, 573334, 574640, 618112, 772640, 919424, 1146668, 1149280, 1433335, 1545280, 2293336, 2298560, 2866670, 3090560, 3153337, 4586672, 4597120, 5733340, 6306674, 9173344, 11466680, 12613348, 15766685, 18346688, 22933360, 25226696, 31533370, 36693376, 45866720, 50453392, 63066740, 91733440, 100906784, 126133480, 183466880, 201813568, 252266960, 403627136, 504533920, 1009067840, 2018135680]

約数ペア:

[(1, 2018135680), (2, 1009067840), (4, 504533920), (5, 403627136), (8, 252266960), (10, 201813568), (11, 183466880), (16, 126133480), (20, 100906784), (22, 91733440), (32, 63066740), (40, 50453392), (44, 45866720), (55, 36693376), (64, 31533370), (80, 25226696), (88, 22933360), (110, 18346688), (128, 15766685), (160, 12613348), (176, 11466680), (220, 9173344), (320, 6306674), (352, 5733340), (439, 4597120), (440, 4586672), (640, 3153337), (653, 3090560), (704, 2866670), (878, 2298560), (880, 2293336), (1306, 1545280), (1408, 1433335), (1756, 1149280), (1760, 1146668), (2195, 919424), (2612, 772640), (3265, 618112), (3512, 574640), (3520, 573334), (4390, 459712), (4829, 417920), (5224, 386320), (6530, 309056), (7024, 287320), (7040, 286667), (7183, 280960), (8780, 229856), (9658, 208960), (10448, 193160), (13060, 154528), (14048, 143660), (14366, 140480), (17560, 114928), (19316, 104480), (20896, 96580), (24145, 83584), (26120, 77264), (28096, 71830), (28732, 70240), (35120, 57464), (35915, 56192), (38632, 52240), (41792, 48290)]