81977328

素因数分解:

$2^4\times 3^2\times {\mathrm{571}}^1\times {\mathrm{997}}^1$

素因数の和:1582

約数の個数: 60

約数和(自身を含む): 230054968

約数和(自身を除く): 148077640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 571, 997, 1142, 1713, 1994, 2284, 2991, 3426, 3988, 4568, 5139, 5982, 6852, 7976, 8973, 9136, 10278, 11964, 13704, 15952, 17946, 20556, 23928, 27408, 35892, 41112, 47856, 71784, 82224, 143568, 569287, 1138574, 1707861, 2277148, 3415722, 4554296, 5123583, 6831444, 9108592, 10247166, 13662888, 20494332, 27325776, 40988664, 81977328]

約数ペア:

[(1, 81977328), (2, 40988664), (3, 27325776), (4, 20494332), (6, 13662888), (8, 10247166), (9, 9108592), (12, 6831444), (16, 5123583), (18, 4554296), (24, 3415722), (36, 2277148), (48, 1707861), (72, 1138574), (144, 569287), (571, 143568), (997, 82224), (1142, 71784), (1713, 47856), (1994, 41112), (2284, 35892), (2991, 27408), (3426, 23928), (3988, 20556), (4568, 17946), (5139, 15952), (5982, 13704), (6852, 11964), (7976, 10278), (8973, 9136)]