81018560

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5167}}^1$

素因数の和:5198

約数の個数: 84

約数和(自身を含む): 224466912

約数和(自身を除く): 143448352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5167, 7840, 10334, 15680, 20668, 25835, 36169, 41336, 51670, 72338, 82672, 103340, 144676, 165344, 180845, 206680, 253183, 289352, 330688, 361690, 413360, 506366, 578704, 723380, 826720, 1012732, 1157408, 1265915, 1446760, 1653440, 2025464, 2314816, 2531830, 2893520, 4050928, 5063660, 5787040, 8101856, 10127320, 11574080, 16203712, 20254640, 40509280, 81018560]

約数ペア:

[(1, 81018560), (2, 40509280), (4, 20254640), (5, 16203712), (7, 11574080), (8, 10127320), (10, 8101856), (14, 5787040), (16, 5063660), (20, 4050928), (28, 2893520), (32, 2531830), (35, 2314816), (40, 2025464), (49, 1653440), (56, 1446760), (64, 1265915), (70, 1157408), (80, 1012732), (98, 826720), (112, 723380), (140, 578704), (160, 506366), (196, 413360), (224, 361690), (245, 330688), (280, 289352), (320, 253183), (392, 206680), (448, 180845), (490, 165344), (560, 144676), (784, 103340), (980, 82672), (1120, 72338), (1568, 51670), (1960, 41336), (2240, 36169), (3136, 25835), (3920, 20668), (5167, 15680), (7840, 10334)]