67942840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 175426560

約数和(自身を除く): 107483720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 563, 862, 1126, 1724, 2155, 2252, 2815, 3017, 3448, 3941, 4310, 4504, 5630, 6034, 7882, 8620, 11260, 12068, 15085, 15764, 17240, 19705, 22520, 24136, 30170, 31528, 39410, 60340, 78820, 120680, 157640, 242653, 485306, 970612, 1213265, 1698571, 1941224, 2426530, 3397142, 4853060, 6794284, 8492855, 9706120, 13588568, 16985710, 33971420, 67942840]

約数ペア:

[(1, 67942840), (2, 33971420), (4, 16985710), (5, 13588568), (7, 9706120), (8, 8492855), (10, 6794284), (14, 4853060), (20, 3397142), (28, 2426530), (35, 1941224), (40, 1698571), (56, 1213265), (70, 970612), (140, 485306), (280, 242653), (431, 157640), (563, 120680), (862, 78820), (1126, 60340), (1724, 39410), (2155, 31528), (2252, 30170), (2815, 24136), (3017, 22520), (3448, 19705), (3941, 17240), (4310, 15764), (4504, 15085), (5630, 12068), (6034, 11260), (7882, 8620)]