81660120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29587}}^1$

素因数の和:29624

約数の個数: 64

約数和(自身を含む): 255640320

約数和(自身を除く): 173980200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29587, 59174, 88761, 118348, 147935, 177522, 236696, 295870, 355044, 443805, 591740, 680501, 710088, 887610, 1183480, 1361002, 1775220, 2041503, 2722004, 3402505, 3550440, 4083006, 5444008, 6805010, 8166012, 10207515, 13610020, 16332024, 20415030, 27220040, 40830060, 81660120]

約数ペア:

[(1, 81660120), (2, 40830060), (3, 27220040), (4, 20415030), (5, 16332024), (6, 13610020), (8, 10207515), (10, 8166012), (12, 6805010), (15, 5444008), (20, 4083006), (23, 3550440), (24, 3402505), (30, 2722004), (40, 2041503), (46, 1775220), (60, 1361002), (69, 1183480), (92, 887610), (115, 710088), (120, 680501), (138, 591740), (184, 443805), (230, 355044), (276, 295870), (345, 236696), (460, 177522), (552, 147935), (690, 118348), (920, 88761), (1380, 59174), (2760, 29587)]