123847240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1822

約数の個数: 64

約数和(自身を含む): 305933760

約数和(自身を除く): 182086520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1384, 1627, 1730, 1903, 3254, 3460, 3806, 6508, 6920, 7612, 8135, 9515, 13016, 15224, 16270, 17897, 19030, 32540, 35794, 38060, 65080, 71588, 76120, 89485, 143176, 178970, 281471, 357940, 562942, 715880, 1125884, 1407355, 2251768, 2814710, 3096181, 5629420, 6192362, 11258840, 12384724, 15480905, 24769448, 30961810, 61923620, 123847240]

約数ペア:

[(1, 123847240), (2, 61923620), (4, 30961810), (5, 24769448), (8, 15480905), (10, 12384724), (11, 11258840), (20, 6192362), (22, 5629420), (40, 3096181), (44, 2814710), (55, 2251768), (88, 1407355), (110, 1125884), (173, 715880), (220, 562942), (346, 357940), (440, 281471), (692, 178970), (865, 143176), (1384, 89485), (1627, 76120), (1730, 71588), (1903, 65080), (3254, 38060), (3460, 35794), (3806, 32540), (6508, 19030), (6920, 17897), (7612, 16270), (8135, 15224), (9515, 13016)]