61706720

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9027

約数の個数: 48

約数和(自身を含む): 149189040

約数和(自身を除く): 87482320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 8969, 17938, 35876, 44845, 71752, 89690, 143504, 179380, 287008, 358760, 385667, 717520, 771334, 1435040, 1542668, 1928335, 3085336, 3856670, 6170672, 7713340, 12341344, 15426680, 30853360, 61706720]

約数ペア:

[(1, 61706720), (2, 30853360), (4, 15426680), (5, 12341344), (8, 7713340), (10, 6170672), (16, 3856670), (20, 3085336), (32, 1928335), (40, 1542668), (43, 1435040), (80, 771334), (86, 717520), (160, 385667), (172, 358760), (215, 287008), (344, 179380), (430, 143504), (688, 89690), (860, 71752), (1376, 44845), (1720, 35876), (3440, 17938), (6880, 8969)]