66546760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 171947520

約数和(自身を除く): 105400760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 877, 1084, 1355, 1754, 1897, 2168, 2710, 3508, 3794, 4385, 5420, 6139, 7016, 7588, 8770, 9485, 10840, 12278, 15176, 17540, 18970, 24556, 30695, 35080, 37940, 49112, 61390, 75880, 122780, 237667, 245560, 475334, 950668, 1188335, 1663669, 1901336, 2376670, 3327338, 4753340, 6654676, 8318345, 9506680, 13309352, 16636690, 33273380, 66546760]

約数ペア:

[(1, 66546760), (2, 33273380), (4, 16636690), (5, 13309352), (7, 9506680), (8, 8318345), (10, 6654676), (14, 4753340), (20, 3327338), (28, 2376670), (35, 1901336), (40, 1663669), (56, 1188335), (70, 950668), (140, 475334), (271, 245560), (280, 237667), (542, 122780), (877, 75880), (1084, 61390), (1355, 49112), (1754, 37940), (1897, 35080), (2168, 30695), (2710, 24556), (3508, 18970), (3794, 17540), (4385, 15176), (5420, 12278), (6139, 10840), (7016, 9485), (7588, 8770)]