81617424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{541}}^1$

素因数の和:1008

約数の個数: 80

約数和(自身を含む): 241948800

約数和(自身を除く): 160331376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 449, 541, 898, 1082, 1347, 1623, 1796, 2164, 2694, 3143, 3246, 3592, 3787, 4328, 5388, 6286, 6492, 7184, 7574, 8656, 9429, 10776, 11361, 12572, 12984, 15148, 18858, 21552, 22722, 25144, 25968, 30296, 37716, 45444, 50288, 60592, 75432, 90888, 150864, 181776, 242909, 485818, 728727, 971636, 1457454, 1700363, 1943272, 2914908, 3400726, 3886544, 5101089, 5829816, 6801452, 10202178, 11659632, 13602904, 20404356, 27205808, 40808712, 81617424]

約数ペア:

[(1, 81617424), (2, 40808712), (3, 27205808), (4, 20404356), (6, 13602904), (7, 11659632), (8, 10202178), (12, 6801452), (14, 5829816), (16, 5101089), (21, 3886544), (24, 3400726), (28, 2914908), (42, 1943272), (48, 1700363), (56, 1457454), (84, 971636), (112, 728727), (168, 485818), (336, 242909), (449, 181776), (541, 150864), (898, 90888), (1082, 75432), (1347, 60592), (1623, 50288), (1796, 45444), (2164, 37716), (2694, 30296), (3143, 25968), (3246, 25144), (3592, 22722), (3787, 21552), (4328, 18858), (5388, 15148), (6286, 12984), (6492, 12572), (7184, 11361), (7574, 10776), (8656, 9429)]