1255261640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{4283}}^1$

素因数の和:4742

約数の個数: 64

約数和(自身を含む): 2998114560

約数和(自身を除く): 1742852920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 431, 680, 862, 1724, 2155, 3448, 4283, 4310, 7327, 8566, 8620, 14654, 17132, 17240, 21415, 29308, 34264, 36635, 42830, 58616, 72811, 73270, 85660, 145622, 146540, 171320, 291244, 293080, 364055, 582488, 728110, 1456220, 1845973, 2912440, 3691946, 7383892, 9229865, 14767784, 18459730, 31381541, 36919460, 62763082, 73838920, 125526164, 156907705, 251052328, 313815410, 627630820, 1255261640]

約数ペア:

[(1, 1255261640), (2, 627630820), (4, 313815410), (5, 251052328), (8, 156907705), (10, 125526164), (17, 73838920), (20, 62763082), (34, 36919460), (40, 31381541), (68, 18459730), (85, 14767784), (136, 9229865), (170, 7383892), (340, 3691946), (431, 2912440), (680, 1845973), (862, 1456220), (1724, 728110), (2155, 582488), (3448, 364055), (4283, 293080), (4310, 291244), (7327, 171320), (8566, 146540), (8620, 145622), (14654, 85660), (17132, 73270), (17240, 72811), (21415, 58616), (29308, 42830), (34264, 36635)]