128481660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237929}}^1$

素因数の和:237947

約数の個数: 48

約数和(自身を含む): 399722400

約数和(自身を除く): 271240740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237929, 475858, 713787, 951716, 1189645, 1427574, 2141361, 2379290, 2855148, 3568935, 4282722, 4758580, 6424083, 7137870, 8565444, 10706805, 12848166, 14275740, 21413610, 25696332, 32120415, 42827220, 64240830, 128481660]

約数ペア:

[(1, 128481660), (2, 64240830), (3, 42827220), (4, 32120415), (5, 25696332), (6, 21413610), (9, 14275740), (10, 12848166), (12, 10706805), (15, 8565444), (18, 7137870), (20, 6424083), (27, 4758580), (30, 4282722), (36, 3568935), (45, 2855148), (54, 2379290), (60, 2141361), (90, 1427574), (108, 1189645), (135, 951716), (180, 713787), (270, 475858), (540, 237929)]