213396560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6676

約数の個数: 80

約数和(自身を含む): 551631360

約数和(自身を除く): 338234800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6619, 8060, 13238, 16120, 26476, 32240, 33095, 52952, 66190, 86047, 105904, 132380, 172094, 205189, 264760, 344188, 410378, 430235, 529520, 688376, 820756, 860470, 1025945, 1376752, 1641512, 1720940, 2051890, 2667457, 3283024, 3441880, 4103780, 5334914, 6883760, 8207560, 10669828, 13337285, 16415120, 21339656, 26674570, 42679312, 53349140, 106698280, 213396560]

約数ペア:

[(1, 213396560), (2, 106698280), (4, 53349140), (5, 42679312), (8, 26674570), (10, 21339656), (13, 16415120), (16, 13337285), (20, 10669828), (26, 8207560), (31, 6883760), (40, 5334914), (52, 4103780), (62, 3441880), (65, 3283024), (80, 2667457), (104, 2051890), (124, 1720940), (130, 1641512), (155, 1376752), (208, 1025945), (248, 860470), (260, 820756), (310, 688376), (403, 529520), (496, 430235), (520, 410378), (620, 344188), (806, 264760), (1040, 205189), (1240, 172094), (1612, 132380), (2015, 105904), (2480, 86047), (3224, 66190), (4030, 52952), (6448, 33095), (6619, 32240), (8060, 26476), (13238, 16120)]