216843660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109517}}^1$

素因数の和:109543

約数の個数: 72

約数和(自身を含む): 717561936

約数和(自身を除く): 500718276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 109517, 219034, 328551, 438068, 547585, 657102, 985653, 1095170, 1204687, 1314204, 1642755, 1971306, 2190340, 2409374, 3285510, 3614061, 3942612, 4818748, 4928265, 6023435, 6571020, 7228122, 9856530, 10842183, 12046870, 14456244, 18070305, 19713060, 21684366, 24093740, 36140610, 43368732, 54210915, 72281220, 108421830, 216843660]

約数ペア:

[(1, 216843660), (2, 108421830), (3, 72281220), (4, 54210915), (5, 43368732), (6, 36140610), (9, 24093740), (10, 21684366), (11, 19713060), (12, 18070305), (15, 14456244), (18, 12046870), (20, 10842183), (22, 9856530), (30, 7228122), (33, 6571020), (36, 6023435), (44, 4928265), (45, 4818748), (55, 3942612), (60, 3614061), (66, 3285510), (90, 2409374), (99, 2190340), (110, 1971306), (132, 1642755), (165, 1314204), (180, 1204687), (198, 1095170), (220, 985653), (330, 657102), (396, 547585), (495, 438068), (660, 328551), (990, 219034), (1980, 109517)]