1213304840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{3793}}^1$

素因数の和:4542

約数の個数: 64

約数和(自身を含む): 2982994560

約数和(自身を除く): 1769689720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 727, 1454, 2908, 3635, 3793, 5816, 7270, 7586, 7997, 14540, 15172, 15994, 18965, 29080, 30344, 31988, 37930, 39985, 41723, 63976, 75860, 79970, 83446, 151720, 159940, 166892, 208615, 319880, 333784, 417230, 834460, 1668920, 2757511, 5515022, 11030044, 13787555, 22060088, 27575110, 30332621, 55150220, 60665242, 110300440, 121330484, 151663105, 242660968, 303326210, 606652420, 1213304840]

約数ペア:

[(1, 1213304840), (2, 606652420), (4, 303326210), (5, 242660968), (8, 151663105), (10, 121330484), (11, 110300440), (20, 60665242), (22, 55150220), (40, 30332621), (44, 27575110), (55, 22060088), (88, 13787555), (110, 11030044), (220, 5515022), (440, 2757511), (727, 1668920), (1454, 834460), (2908, 417230), (3635, 333784), (3793, 319880), (5816, 208615), (7270, 166892), (7586, 159940), (7997, 151720), (14540, 83446), (15172, 79970), (15994, 75860), (18965, 63976), (29080, 41723), (30344, 39985), (31988, 37930)]