91971040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11731}}^1$

素因数の和:11760

約数の個数: 72

約数和(自身を含む): 252777672

約数和(自身を除く): 160806632

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, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11731, 23462, 46924, 58655, 82117, 93848, 117310, 164234, 187696, 234620, 328468, 375392, 410585, 469240, 574819, 656936, 821170, 938480, 1149638, 1313872, 1642340, 1876960, 2299276, 2627744, 2874095, 3284680, 4598552, 5748190, 6569360, 9197104, 11496380, 13138720, 18394208, 22992760, 45985520, 91971040]

約数ペア:

[(1, 91971040), (2, 45985520), (4, 22992760), (5, 18394208), (7, 13138720), (8, 11496380), (10, 9197104), (14, 6569360), (16, 5748190), (20, 4598552), (28, 3284680), (32, 2874095), (35, 2627744), (40, 2299276), (49, 1876960), (56, 1642340), (70, 1313872), (80, 1149638), (98, 938480), (112, 821170), (140, 656936), (160, 574819), (196, 469240), (224, 410585), (245, 375392), (280, 328468), (392, 234620), (490, 187696), (560, 164234), (784, 117310), (980, 93848), (1120, 82117), (1568, 58655), (1960, 46924), (3920, 23462), (7840, 11731)]