144550520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2796

約数の個数: 64

約数和(自身を含む): 343664640

約数和(自身を除く): 199114120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 2711, 5332, 5422, 6665, 10664, 10844, 13330, 13555, 21688, 26660, 27110, 53320, 54220, 84041, 108440, 116573, 168082, 233146, 336164, 420205, 466292, 582865, 672328, 840410, 932584, 1165730, 1680820, 2331460, 3361640, 3613763, 4662920, 7227526, 14455052, 18068815, 28910104, 36137630, 72275260, 144550520]

約数ペア:

[(1, 144550520), (2, 72275260), (4, 36137630), (5, 28910104), (8, 18068815), (10, 14455052), (20, 7227526), (31, 4662920), (40, 3613763), (43, 3361640), (62, 2331460), (86, 1680820), (124, 1165730), (155, 932584), (172, 840410), (215, 672328), (248, 582865), (310, 466292), (344, 420205), (430, 336164), (620, 233146), (860, 168082), (1240, 116573), (1333, 108440), (1720, 84041), (2666, 54220), (2711, 53320), (5332, 27110), (5422, 26660), (6665, 21688), (10664, 13555), (10844, 13330)]