68399480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 90814120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 179, 205, 233, 328, 358, 410, 466, 716, 820, 895, 932, 1165, 1432, 1640, 1790, 1864, 2330, 3580, 4660, 7160, 7339, 9320, 9553, 14678, 19106, 29356, 36695, 38212, 41707, 47765, 58712, 73390, 76424, 83414, 95530, 146780, 166828, 191060, 208535, 293560, 333656, 382120, 417070, 834140, 1668280, 1709987, 3419974, 6839948, 8549935, 13679896, 17099870, 34199740, 68399480]

約数ペア:

[(1, 68399480), (2, 34199740), (4, 17099870), (5, 13679896), (8, 8549935), (10, 6839948), (20, 3419974), (40, 1709987), (41, 1668280), (82, 834140), (164, 417070), (179, 382120), (205, 333656), (233, 293560), (328, 208535), (358, 191060), (410, 166828), (466, 146780), (716, 95530), (820, 83414), (895, 76424), (932, 73390), (1165, 58712), (1432, 47765), (1640, 41707), (1790, 38212), (1864, 36695), (2330, 29356), (3580, 19106), (4660, 14678), (7160, 9553), (7339, 9320)]