71643880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3323}}^1$

素因数の和:3359

約数の個数: 96

約数和(自身を含む): 204625440

約数和(自身を除く): 132981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3323, 4312, 5390, 6646, 10780, 13292, 16615, 21560, 23261, 26584, 33230, 36553, 46522, 66460, 73106, 93044, 116305, 132920, 146212, 162827, 182765, 186088, 232610, 255871, 292424, 325654, 365530, 465220, 511742, 651308, 731060, 814135, 930440, 1023484, 1279355, 1302616, 1462120, 1628270, 1791097, 2046968, 2558710, 3256540, 3582194, 5117420, 6513080, 7164388, 8955485, 10234840, 14328776, 17910970, 35821940, 71643880]

約数ペア:

[(1, 71643880), (2, 35821940), (4, 17910970), (5, 14328776), (7, 10234840), (8, 8955485), (10, 7164388), (11, 6513080), (14, 5117420), (20, 3582194), (22, 3256540), (28, 2558710), (35, 2046968), (40, 1791097), (44, 1628270), (49, 1462120), (55, 1302616), (56, 1279355), (70, 1023484), (77, 930440), (88, 814135), (98, 731060), (110, 651308), (140, 511742), (154, 465220), (196, 365530), (220, 325654), (245, 292424), (280, 255871), (308, 232610), (385, 186088), (392, 182765), (440, 162827), (490, 146212), (539, 132920), (616, 116305), (770, 93044), (980, 73106), (1078, 66460), (1540, 46522), (1960, 36553), (2156, 33230), (2695, 26584), (3080, 23261), (3323, 21560), (4312, 16615), (5390, 13292), (6646, 10780)]