81360060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1723}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 228230016

約数和(自身を除く): 146869956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 787, 1574, 1723, 2361, 3148, 3446, 3935, 4722, 5169, 6892, 7870, 8615, 9444, 10338, 11805, 15740, 17230, 20676, 23610, 25845, 34460, 47220, 51690, 103380, 1356001, 2712002, 4068003, 5424004, 6780005, 8136006, 13560010, 16272012, 20340015, 27120020, 40680030, 81360060]

約数ペア:

[(1, 81360060), (2, 40680030), (3, 27120020), (4, 20340015), (5, 16272012), (6, 13560010), (10, 8136006), (12, 6780005), (15, 5424004), (20, 4068003), (30, 2712002), (60, 1356001), (787, 103380), (1574, 51690), (1723, 47220), (2361, 34460), (3148, 25845), (3446, 23610), (3935, 20676), (4722, 17230), (5169, 15740), (6892, 11805), (7870, 10338), (8615, 9444)]