31426120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 80055360

約数和(自身を除く): 48629240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 151, 172, 215, 220, 242, 302, 344, 430, 440, 473, 484, 604, 605, 755, 860, 946, 968, 1208, 1210, 1510, 1661, 1720, 1892, 2365, 2420, 3020, 3322, 3784, 4730, 4840, 5203, 6040, 6493, 6644, 8305, 9460, 10406, 12986, 13288, 16610, 18271, 18920, 20812, 25972, 26015, 32465, 33220, 36542, 41624, 51944, 52030, 64930, 66440, 71423, 73084, 91355, 104060, 129860, 142846, 146168, 182710, 208120, 259720, 285692, 357115, 365420, 571384, 714230, 730840, 785653, 1428460, 1571306, 2856920, 3142612, 3928265, 6285224, 7856530, 15713060, 31426120]

約数ペア:

[(1, 31426120), (2, 15713060), (4, 7856530), (5, 6285224), (8, 3928265), (10, 3142612), (11, 2856920), (20, 1571306), (22, 1428460), (40, 785653), (43, 730840), (44, 714230), (55, 571384), (86, 365420), (88, 357115), (110, 285692), (121, 259720), (151, 208120), (172, 182710), (215, 146168), (220, 142846), (242, 129860), (302, 104060), (344, 91355), (430, 73084), (440, 71423), (473, 66440), (484, 64930), (604, 52030), (605, 51944), (755, 41624), (860, 36542), (946, 33220), (968, 32465), (1208, 26015), (1210, 25972), (1510, 20812), (1661, 18920), (1720, 18271), (1892, 16610), (2365, 13288), (2420, 12986), (3020, 10406), (3322, 9460), (3784, 8305), (4730, 6644), (4840, 6493), (5203, 6040)]