255632720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{953}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 681384960

約数和(自身を除く): 425752240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 479, 560, 953, 958, 1906, 1916, 2395, 3353, 3812, 3832, 4765, 4790, 6671, 6706, 7624, 7664, 9530, 9580, 13342, 13412, 15248, 16765, 19060, 19160, 26684, 26824, 33355, 33530, 38120, 38320, 53368, 53648, 66710, 67060, 76240, 106736, 133420, 134120, 266840, 268240, 456487, 533680, 912974, 1825948, 2282435, 3195409, 3651896, 4564870, 6390818, 7303792, 9129740, 12781636, 15977045, 18259480, 25563272, 31954090, 36518960, 51126544, 63908180, 127816360, 255632720]

約数ペア:

[(1, 255632720), (2, 127816360), (4, 63908180), (5, 51126544), (7, 36518960), (8, 31954090), (10, 25563272), (14, 18259480), (16, 15977045), (20, 12781636), (28, 9129740), (35, 7303792), (40, 6390818), (56, 4564870), (70, 3651896), (80, 3195409), (112, 2282435), (140, 1825948), (280, 912974), (479, 533680), (560, 456487), (953, 268240), (958, 266840), (1906, 134120), (1916, 133420), (2395, 106736), (3353, 76240), (3812, 67060), (3832, 66710), (4765, 53648), (4790, 53368), (6671, 38320), (6706, 38120), (7624, 33530), (7664, 33355), (9530, 26824), (9580, 26684), (13342, 19160), (13412, 19060), (15248, 16765)]