81144864

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2182

約数の個数: 72

約数和(自身を含む): 232530480

約数和(自身を除く): 151385616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 556, 834, 1112, 1251, 1668, 2027, 2224, 2502, 3336, 4054, 4448, 5004, 6081, 6672, 8108, 10008, 12162, 13344, 16216, 18243, 20016, 24324, 32432, 36486, 40032, 48648, 64864, 72972, 97296, 145944, 194592, 281753, 291888, 563506, 583776, 845259, 1127012, 1690518, 2254024, 2535777, 3381036, 4508048, 5071554, 6762072, 9016096, 10143108, 13524144, 20286216, 27048288, 40572432, 81144864]

約数ペア:

[(1, 81144864), (2, 40572432), (3, 27048288), (4, 20286216), (6, 13524144), (8, 10143108), (9, 9016096), (12, 6762072), (16, 5071554), (18, 4508048), (24, 3381036), (32, 2535777), (36, 2254024), (48, 1690518), (72, 1127012), (96, 845259), (139, 583776), (144, 563506), (278, 291888), (288, 281753), (417, 194592), (556, 145944), (834, 97296), (1112, 72972), (1251, 64864), (1668, 48648), (2027, 40032), (2224, 36486), (2502, 32432), (3336, 24324), (4054, 20016), (4448, 18243), (5004, 16216), (6081, 13344), (6672, 12162), (8108, 10008)]