280696140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67801}}^1$

素因数の和:67839

約数の個数: 72

約数和(自身を含む): 888477408

約数和(自身を除く): 607781268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 67801, 135602, 203403, 271204, 339005, 406806, 610209, 678010, 813612, 1017015, 1220418, 1356020, 1559423, 2034030, 2440836, 3051045, 3118846, 4068060, 4678269, 6102090, 6237692, 7797115, 9356538, 12204180, 14034807, 15594230, 18713076, 23391345, 28069614, 31188460, 46782690, 56139228, 70174035, 93565380, 140348070, 280696140]

約数ペア:

[(1, 280696140), (2, 140348070), (3, 93565380), (4, 70174035), (5, 56139228), (6, 46782690), (9, 31188460), (10, 28069614), (12, 23391345), (15, 18713076), (18, 15594230), (20, 14034807), (23, 12204180), (30, 9356538), (36, 7797115), (45, 6237692), (46, 6102090), (60, 4678269), (69, 4068060), (90, 3118846), (92, 3051045), (115, 2440836), (138, 2034030), (180, 1559423), (207, 1356020), (230, 1220418), (276, 1017015), (345, 813612), (414, 678010), (460, 610209), (690, 406806), (828, 339005), (1035, 271204), (1380, 203403), (2070, 135602), (4140, 67801)]