261699120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{121157}}^1$

素因数の和:121179

約数の個数: 80

約数和(自身を含む): 901415520

約数和(自身を除く): 639716400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 121157, 242314, 363471, 484628, 605785, 726942, 969256, 1090413, 1211570, 1453884, 1817355, 1938512, 2180826, 2423140, 2907768, 3271239, 3634710, 4361652, 4846280, 5452065, 5815536, 6542478, 7269420, 8723304, 9692560, 10904130, 13084956, 14538840, 16356195, 17446608, 21808260, 26169912, 29077680, 32712390, 43616520, 52339824, 65424780, 87233040, 130849560, 261699120]

約数ペア:

[(1, 261699120), (2, 130849560), (3, 87233040), (4, 65424780), (5, 52339824), (6, 43616520), (8, 32712390), (9, 29077680), (10, 26169912), (12, 21808260), (15, 17446608), (16, 16356195), (18, 14538840), (20, 13084956), (24, 10904130), (27, 9692560), (30, 8723304), (36, 7269420), (40, 6542478), (45, 5815536), (48, 5452065), (54, 4846280), (60, 4361652), (72, 3634710), (80, 3271239), (90, 2907768), (108, 2423140), (120, 2180826), (135, 1938512), (144, 1817355), (180, 1453884), (216, 1211570), (240, 1090413), (270, 969256), (360, 726942), (432, 605785), (540, 484628), (720, 363471), (1080, 242314), (2160, 121157)]